Package org.apache.commons.lang3

Class SystemProperties

java.lang.Object

org.apache.commons.lang3.SystemProperties

public final class SystemProperties
extends Object

Accesses current System Property names and values.

Since:

3.13.0

See Also:

• System Properties

Field Summary

Fields

Modifier and Type	Field	Description
static final String	APPLE_AWT_ENABLE_TEMPLATE_IMAGES	The System property name "apple.awt.enableTemplateImages".
static final String	AWT_TOOLKIT	Deprecated. Deprecated without replacement.
static final String	COM_SUN_JNDI_LDAP_OBJECT_TRUST_SERIAL_DATA	The System property name "com.sun.jndi.ldap.object.trustSerialData".
static final String	COM_SUN_NET_HTTP_SERVER_HTTP_SERVER_PROVIDER	The System property name "com.sun.net.httpserver.HttpServerProvider".
static final String	FILE_ENCODING	The System property name "file.encoding".
static final String	FILE_SEPARATOR	The System property name "file.separator".
static final String	FTP_NON_PROXY_HOST	The System property name "ftp.nonProxyHosts".
static final String	FTP_PROXY_HOST	The System property name "ftp.proxyHost".
static final String	FTP_PROXY_PORT	The System property name "ftp.proxyPort".
static final String	HTTP_AGENT	The System property name "http.agent".
static final String	HTTP_AUTH_DIGEST_CNONCE_REPEAT	The System property name "http.auth.digest.cnonceRepeat".
static final String	HTTP_AUTH_DIGEST_RE_ENABLED_ALGORITHMS	The System property name "http.auth.digest.reEnabledAlgorithms".
static final String	HTTP_AUTH_DIGEST_VALIDATE_PROXY	The System property name "http.auth.digest.validateProxy".
static final String	HTTP_AUTH_DIGEST_VALIDATE_SERVER	The System property name "http.auth.digest.validateServer".
static final String	HTTP_AUTH_NTLM_DOMAIN	The System property name "http.auth.ntlm.domain".
static final String	HTTP_KEEP_ALIVE	The System property name "http.keepAlive".
static final String	HTTP_KEEP_ALIVE_TIME_PROXY	The System property name "http.keepAlive.time.proxy".
static final String	HTTP_KEEP_ALIVE_TIME_SERVER	The System property name "http.keepAlive.time.server".
static final String	HTTP_MAX_CONNECTIONS	The System property name "http.maxConnections".
static final String	HTTP_MAX_REDIRECTS	The System property name "http.maxRedirects".
static final String	HTTP_NON_PROXY_HOSTS	The System property name "http.nonProxyHosts".
static final String	HTTP_PROXY_HOST	The System property name "http.proxyHost".
static final String	HTTP_PROXY_PORT	The System property name "http.proxyPort".
static final String	HTTPS_PROXY_HOST	The System property name "https.proxyHost".
static final String	HTTPS_PROXY_PORT	The System property name "https.proxyPort".
static final String	JAVA_AWT_FONTS	Deprecated. Deprecated without replacement.
static final String	JAVA_AWT_GRAPHICSENV	Deprecated. Deprecated without replacement.
static final String	JAVA_AWT_HEADLESS	Deprecated. Deprecated without replacement.
static final String	JAVA_AWT_PRINTERJOB	Deprecated. Deprecated without replacement.
static final String	JAVA_CLASS_PATH	The System property name "java.class.path".
static final String	JAVA_CLASS_VERSION	The System property name "java.class.version".
static final String	JAVA_COMPILER	Deprecated. Deprecated without replacement.
static final String	JAVA_CONTENT_HANDLER_PKGS	The System property name "java.content.handler.pkgs".
static final String	JAVA_ENDORSED_DIRS	Deprecated. Deprecated without replacement.
static final String	JAVA_EXT_DIRS	Deprecated. Deprecated without replacement.
static final String	JAVA_HOME	The System property name "java.home".
static final String	JAVA_IO_TMPDIR	The System property name "java.io.tmpdir".
static final String	JAVA_LIBRARY_PATH	The System property name "java.library.path".
static final String	JAVA_LOCALE_PROVIDERS	The System property name "java.locale.providers".
static final String	JAVA_LOCALE_USE_OLD_ISO_CODES	The System property name "java.locale.useOldISOCodes".
static final String	JAVA_NET_PREFER_IPV4_STACK	The System property name "java.net.preferIPv4Stack".
static final String	JAVA_NET_PREFER_IPV6_ADDRESSES	The System property name "java.net.preferIPv6Addresses".
static final String	JAVA_NET_SOCKS_PASSWORD	The System property name "java.net.socks.password".
static final String	JAVA_NET_SOCKS_USER_NAME	The System property name "java.net.socks.username".
static final String	JAVA_NET_USE_SYSTEM_PROXIES	The System property name "java.net.useSystemProxies".
static final String	JAVA_NIO_CHANNELS_DEFAULT_THREAD_POOL_INITIAL_SIZE	The System property name "java.nio.channels.DefaultThreadPool.initialSize".
static final String	JAVA_NIO_CHANNELS_DEFAULT_THREAD_POOL_THREAD_FACTORY	The System property name "java.nio.channels.DefaultThreadPool.threadFactory".
static final String	JAVA_NIO_CHANNELS_SPI_ASYNCHRONOUS_CHANNEL_PROVIDER	The System property name "java.nio.channels.spi.AsynchronousChannelProvider".
static final String	JAVA_NIO_CHANNELS_SPI_SELECTOR_PROVIDER	The System property name "java.nio.channels.spi.SelectorProvider".
static final String	JAVA_NIO_FILE_SPI_DEFAULT_FILE_SYSTEM_PROVIDER	The System property name "java.nio.file.spi.DefaultFileSystemProvider".
static final String	JAVA_PROPERTIES_DATE	The System property name "java.properties.date".
static final String	JAVA_PROTOCOL_HANDLER_PKGS	The System property name "java.protocol.handler.pkgs".
static final String	JAVA_RMI_SERVER_CODEBASE	The System property name "java.rmi.server.codebase".
static final String	JAVA_RMI_SERVER_HOST_NAME	The System property name "java.rmi.server.hostname".
static final String	JAVA_RMI_SERVER_RANDOM_IDS	The System property name "java.rmi.server.randomIDs".
static final String	JAVA_RMI_SERVER_RMI_CLASS_LOADER_SPI	The System property name "java.rmi.server.RMIClassLoaderSpi".
static final String	JAVA_RUNTIME_NAME	The System property name "java.runtime.name".
static final String	JAVA_RUNTIME_VERSION	The System property name "java.runtime.version".
static final String	JAVA_SECURITY_AUTH_LOGIN_CONFIG	The System property name "java.security.auth.login.config".
static final String	JAVA_SECURITY_DEBUG	The System property name "java.security.debug".
static final String	JAVA_SECURITY_KERBEROS_CONF	The System property name "java.security.krb5.conf".
static final String	JAVA_SECURITY_KERBEROS_KDC	The System property name "java.security.krb5.kdc".
static final String	JAVA_SECURITY_KERBEROS_REALM	The System property name "java.security.krb5.realm".
static final String	JAVA_SECURITY_MANAGER	The System property name "java.security.manager".
static final String	JAVA_SPECIFICATION_MAINTENANCE_VERSION	The System property name "java.specification.maintenance.version".
static final String	JAVA_SPECIFICATION_NAME	The System property name "java.specification.name".
static final String	JAVA_SPECIFICATION_VENDOR	The System property name "java.specification.vendor".
static final String	JAVA_SPECIFICATION_VERSION	The System property name "java.specification.version".
static final String	JAVA_SYSTEM_CLASS_LOADER	The System property name "java.system.class.loader".
static final String	JAVA_TIME_ZONE_DEFAULT_ZONE_RULES_PROVIDER	The System property name "java.time.zone.DefaultZoneRulesProvider".
static final String	JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_EXCEPTION_HANDLER	The System property name "java.util.concurrent.ForkJoinPool.common.exceptionHandler".
static final String	JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_MAXIMUM_SPARES	The System property name "java.util.concurrent.ForkJoinPool.common.maximumSpares".
static final String	JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_PARALLELISM	The System property name "java.util.concurrent.ForkJoinPool.common.parallelism".
static final String	JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_THREAD_FACTORY	The System property name "java.util.concurrent.ForkJoinPool.common.threadFactory".
static final String	JAVA_UTIL_CURRENCY_DATA	The System property name "java.util.currency.data".
static final String	JAVA_UTIL_LOGGING_CONFIG_CLASS	The System property name "java.util.logging.config.class".
static final String	JAVA_UTIL_LOGGING_CONFIG_FILE	The System property name "java.util.logging.config.file".
static final String	JAVA_UTIL_LOGGING_SIMPLE_FORMATTER_FORMAT	The System property name "java.util.logging.simpleformatter.format".
static final String	JAVA_UTIL_PREFS_PREFERENCES_FACTORY	The System property name "java.util.prefs.PreferencesFactory".
static final String	JAVA_UTIL_PROPERTY_RESOURCE_BUNDLE_ENCODING	The System property name "java.util.PropertyResourceBundle.encoding".
static final String	JAVA_VENDOR	The System property name "java.vendor".
static final String	JAVA_VENDOR_URL	The System property name "java.vendor.url".
static final String	JAVA_VENDOR_VERSION	The System property name "java.vendor.version".
static final String	JAVA_VERSION	The System property name "java.version".
static final String	JAVA_VERSION_DATE	The System property name "java.version.date".
static final String	JAVA_VM_INFO	The System property name "java.vm.info".
static final String	JAVA_VM_NAME	The System property name "java.vm.name".
static final String	JAVA_VM_SPECIFICATION_NAME	The System property name "java.vm.specification.name".
static final String	JAVA_VM_SPECIFICATION_VENDOR	The System property name "java.vm.specification.vendor".
static final String	JAVA_VM_SPECIFICATION_VERSION	The System property name "java.vm.specification.version".
static final String	JAVA_VM_VENDOR	The System property name "java.vm.vendor".
static final String	JAVA_VM_VERSION	The System property name "java.vm.version".
static final String	JAVA_XML_CONFIG_FILE	The System property name "java.xml.config.file".
static final String	JAVAX_ACCESSIBILITY_ASSISTIVE_TECHNOLOGIES	The System property name "javax.accessibility.assistive_technologies".
static final String	JAVAX_NET_SSL_SESSION_CACHE_SIZE	The System property name "javax.net.ssl.sessionCacheSize".
static final String	JAVAX_RMI_SSL_CLIENT_ENABLED_CIPHER_SUITES	The System property name "javax.rmi.ssl.client.enabledCipherSuites".
static final String	JAVAX_RMI_SSL_CLIENT_ENABLED_PROTOCOLS	The System property name "javax.rmi.ssl.client.enabledProtocols".
static final String	JAVAX_SECURITY_AUTH_USE_SUBJECT_CREDS_ONLY	The System property name "javax.security.auth.useSubjectCredsOnly".
static final String	JAVAX_SMART_CARD_IO_TERMINAL_FACTORY_DEFAULT_TYPE	The System property name "javax.smartcardio.TerminalFactory.DefaultType".
static final String	JDBC_DRIVERS	The System property name "jdbc.drivers".
static final String	JDK_HTTP_AUTH_PROXYING_DISABLED_SCHEMES	The System property name "jdk.http.auth.proxying.disabledSchemes".
static final String	JDK_HTTP_AUTH_TUNNELING_DISABLED_SCHEMES	The System property name "jdk.http.auth.tunneling.disabledSchemes".
static final String	JDK_HTTP_CLIENT_ALLOW_RESTRICTED_HEADERS	The System property name "jdk.httpclient.allowRestrictedHeaders".
static final String	JDK_HTTP_CLIENT_AUTH_RETRY_LIMIT	The System property name "jdk.httpclient.auth.retrylimit".
static final String	JDK_HTTP_CLIENT_BUF_SIZE	The System property name "jdk.httpclient.bufsize".
static final String	JDK_HTTP_CLIENT_CONNECTION_POOL_SIZE	The System property name "jdk.httpclient.connectionPoolSize".
static final String	JDK_HTTP_CLIENT_CONNECTION_WINDOW_SIZE	The System property name "jdk.httpclient.connectionWindowSize".
static final String	JDK_HTTP_CLIENT_DISABLE_RETRY_CONNECT	The System property name "jdk.httpclient.disableRetryConnect".
static final String	JDK_HTTP_CLIENT_ENABLE_ALL_METHOD_RETRY	The System property name "jdk.httpclient.enableAllMethodRetry".
static final String	JDK_HTTP_CLIENT_ENABLE_PUSH	The System property name "jdk.httpclient.enablepush".
static final String	JDK_HTTP_CLIENT_HPACK_MAX_HEADER_TABLE_SIZE	The System property name "jdk.httpclient.hpack.maxheadertablesize".
static final String	JDK_HTTP_CLIENT_HTTP_CLIENT_LOG	The System property name "jdk.httpclient.HttpClient.log".
static final String	JDK_HTTP_CLIENT_KEEP_ALIVE_TIMEOUT	The System property name "jdk.httpclient.keepalive.timeout".
static final String	JDK_HTTP_CLIENT_KEEP_ALIVE_TIMEOUT_H2	The System property name "jdk.httpclient.keepalive.timeout.h2".
static final String	JDK_HTTP_CLIENT_MAX_FRAME_SIZE	The System property name "jdk.httpclient.maxframesize".
static final String	JDK_HTTP_CLIENT_MAX_STREAMS	The System property name "jdk.httpclient.maxstreams".
static final String	JDK_HTTP_CLIENT_RECEIVE_BUFFER_SIZE	The System property name "jdk.httpclient.receiveBufferSize".
static final String	JDK_HTTP_CLIENT_REDIRECTS_RETRY_LIMIT	The System property name "jdk.httpclient.redirects.retrylimit".
static final String	JDK_HTTP_CLIENT_SEND_BUFFER_SIZE	The System property name "jdk.httpclient.sendBufferSize".
static final String	JDK_HTTP_CLIENT_WEB_SOCKET_WRITE_BUFFER_SIZE	The System property name "jdk.httpclient.websocket.writeBufferSize".
static final String	JDK_HTTP_CLIENT_WINDOW_SIZE	The System property name "jdk.httpclient.windowsize".
static final String	JDK_HTTP_SERVER_MAX_CONNECTIONS	The System property name "jdk.httpserver.maxConnections".
static final String	JDK_HTTPS_NEGOTIATE_CBT	The System property name "jdk.https.negotiate.cbt".
static final String	JDK_INCLUDE_IN_EXCEPTIONS	The System property name "jdk.includeInExceptions".
static final String	JDK_INTERNAL_HTTP_CLIENT_DISABLE_HOST_NAME_VERIFICATION	The System property name "jdk.internal.httpclient.disableHostnameVerification".
static final String	JDK_IO_PERMISSIONS_USE_CANONICAL_PATH	The System property name "jdk.io.permissionsUseCanonicalPath".
static final String	JDK_JNDI_LDAP_OBJECT_FACTORIES_FILTER	The System property name "jdk.jndi.ldap.object.factoriesFilter".
static final String	JDK_JNDI_OBJECT_FACTORIES_FILTER	The System property name "jdk.jndi.object.factoriesFilter".
static final String	JDK_JNDI_RMI_OBJECT_FACTORIES_FILTER	The System property name "jdk.jndi.rmi.object.factoriesFilter".
static final String	JDK_MODULE_MAIN	The System property name "jdk.module.main".
static final String	JDK_MODULE_MAIN_CLASS	The System property name "jdk.module.main.class".
static final String	JDK_MODULE_PATH	The System property name "jdk.module.path".
static final String	JDK_MODULE_UPGRADE_PATH	The System property name "jdk.module.upgrade.path".
static final String	JDK_NET_UNIX_DOMAIN_TMPDIR	The System property name "jdk.net.unixdomain.tmpdir".
static final String	JDK_NET_URL_CLASS_PATH_SHOW_IGNORED_CLASS_PATH_ENTRIES	The System property name "jdk.net.URLClassPath.showIgnoredClassPathEntries".
static final String	JDK_SERIAL_FILTER	The System property name "jdk.serialFilter".
static final String	JDK_SERIAL_FILTER_FACTORY	The System property name "jdk.serialFilterFactory".
static final String	JDK_TLS_CLIENT_SIGNATURE_SCHEMES	The System property name "jdk.tls.client.SignatureSchemes".
static final String	JDK_TLS_NAMED_GROUPS	The System property name "jdk.tls.namedGroups".
static final String	JDK_TLS_SERVER_SIGNATURE_SCHEMES	The System property name "jdk.tls.server.SignatureSchemes".
static final String	JDK_VIRTUAL_THREAD_SCHEDULER_MAXPOOLSIZE	The System property name "jdk.virtualThreadScheduler.maxPoolSize".
static final String	JDK_VIRTUAL_THREAD_SCHEDULER_PARALLELISM	The System property name "jdk.virtualThreadScheduler.parallelism".
static final String	JDK_XML_CDATA_CHUNK_SIZE	The System property name "jdk.xml.cdataChunkSize".
static final String	JDK_XML_DTD_SUPPORT	The System property name "jdk.xml.dtd.support".
static final String	JDK_XML_ELEMENT_ATTRIBUTE_LIMIT	The System property name "jdk.xml.elementAttributeLimit".
static final String	JDK_XML_ENABLE_EXTENSION_FUNCTIONS	The System property name "jdk.xml.enableExtensionFunctions".
static final String	JDK_XML_ENTITY_EXPANSION_LIMIT	The System property name "jdk.xml.entityExpansionLimit".
static final String	JDK_XML_ENTITY_REPLACEMENT_LIMIT	The System property name "jdk.xml.entityReplacementLimi_t".
static final String	JDK_XML_IS_STANDALONE	The System property name "jdk.xml.isStandalone".
static final String	JDK_XML_JDK_CATALOG_RESOLVE	The System property name "jdk.xml.jdkcatalog.resolve".
static final String	JDK_XML_MAX_ELEMENT_DEPTH	The System property name "jdk.xml.maxElementDepth".
static final String	JDK_XML_MAX_GENERAL_ENTITY_SIZE_LIMIT	The System property name "jdk.xml.maxGeneralEntitySizeLimit".
static final String	JDK_XML_MAX_OCCUR_LIMIT	The System property name "jdk.xml.maxOccurLimit".
static final String	JDK_XML_MAX_PARAMETER_ENTITY_SIZE_LIMIT	The System property name "jdk.xml.maxParameterEntitySizeLimit".
static final String	JDK_XML_MAX_XML_NAME_LIMIT	The System property name "jdk.xml.maxXMLNameLimit".
static final String	JDK_XML_OVERRIDE_DEFAULT_PARSER	The System property name "jdk.xml.overrideDefaultParser".
static final String	JDK_XML_RESET_SYMBOL_TABLE	The System property name "jdk.xml.resetSymbolTable".
static final String	JDK_XML_TOTAL_ENTITY_SIZE_LIMIT	The System property name "jdk.xml.totalEntitySizeLimit".
static final String	JDK_XML_XSLTC_IS_STANDALONE	The System property name "jdk.xml.xsltcIsStandalone".
static final String	LINE_SEPARATOR	The System property name "line.separator".
static final String	NATIVE_ENCODING	The System property name "native.encoding".
static final String	NETWORK_ADDRESS_CACHE_NEGATIVE_TTL	The System property name "networkaddress.cache.negative.ttl".
static final String	NETWORK_ADDRESS_CACHE_STALE_TTL	The System property name "networkaddress.cache.stale.ttl".
static final String	NETWORK_ADDRESS_CACHE_TTL	The System property name "networkaddress.cache.ttl".
static final String	ORG_JCP_XML_DSIG_SECURE_VALIDATION	The System property name "org.jcp.xml.dsig.securevalidation".
static final String	ORG_OPENJDK_JAVA_UTIL_STREAM_TRIPWIRE	The System property name "org.openjdk.java.util.stream.tripwire".
static final String	OS_ARCH	The System property name "os.arch".
static final String	OS_NAME	The System property name "os.name".
static final String	OS_VERSION	The System property name "os.version".
static final String	PATH_SEPARATOR	The System property name "path.separator".
static final String	SOCKS_PROXY_HOST	The System property name "socksProxyHost".
static final String	SOCKS_PROXY_PORT	The System property name "socksProxyPort".
static final String	SOCKS_PROXY_VERSION	The System property name "socksProxyVersion".
static final String	STDERR_ENCODING	The System property name "stderr.encoding".
static final String	STDOUT_ENCODING	The System property name "stdout.encoding".
static final String	SUN_NET_HTTP_SERVER_DRAIN_AMOUNT	The System property name "sun.net.httpserver.drainAmount".
static final String	SUN_NET_HTTP_SERVER_IDLE_INTERVAL	The System property name "sun.net.httpserver.idleInterval".
static final String	SUN_NET_HTTP_SERVER_MAX_IDLE_CONNECTIONS	The System property name "sun.net.httpserver.maxIdleConnections".
static final String	SUN_NET_HTTP_SERVER_MAX_REQ_HEADERS	The System property name "sun.net.httpserver.maxReqHeaders".
static final String	SUN_NET_HTTP_SERVER_MAX_REQ_TIME	The System property name "sun.net.httpserver.maxReqTime".
static final String	SUN_NET_HTTP_SERVER_MAX_RSP_TIME	The System property name "sun.net.httpserver.maxRspTime".
static final String	SUN_NET_HTTP_SERVER_NO_DELAY	The System property name "sun.net.httpserver.nodelay".
static final String	SUN_SECURITY_KRB5_PRINCIPAL	The System property name "sun.security.krb5.principal".
static final String	USER_COUNTRY	The System property name "user.country".
static final String	USER_DIR	The System property name "user.dir".
static final String	USER_EXTENSIONS	The System property name "user.extensions".
static final String	USER_HOME	The System property name "user.home".
static final String	USER_LANGUAGE	The System property name "user.language".
static final String	USER_NAME	The System property name "user.name".
static final String	USER_REGION	The System property name "user.region".
static final String	USER_SCRIPT	The System property name "user.script".
static final String	USER_TIMEZONE	The System property name "user.timezone".
static final String	USER_VARIANT	The System property name "user.variant".

Constructor Summary

Constructors

Constructor	Description
SystemProperties()	Deprecated. TODO Make private in 4.0.

Method Summary

Modifier and Type	Method	Description
static String	getAppleAwtEnableTemplateImages()	Gets the current value from the system properties map.
static String	getAwtToolkit()	Deprecated. Deprecated without replacement.
static boolean	getBoolean(Class<?> clazz, String key, BooleanSupplier defaultIfAbsent)	Gets the current value for the property named "SimpleClassName.Key" as a boolean.
static boolean	getBoolean(String key, BooleanSupplier defaultIfAbsent)	Gets the current value for the property named key as an boolean.
static String	getComSunJndiLdapObjectTrustSerialData()	Gets the current value from the system properties map.
static String	getComSunNetHttpServerHttpServerProvider()	Gets the current value from the system properties map.
static String	getFileEncoding()	Gets the current value from the system properties map.
static String	getFileSeparator()	Gets the current value from the system properties map.
static String	getFtpNonProxyHost()	Gets the current value from the system properties map.
static String	getFtpProxyHost()	Gets the current value from the system properties map.
static String	getFtpProxyPort()	Gets the current value from the system properties map.
static String	getHttpAgent()	Gets the current value from the system properties map.
static String	getHttpAuthDigestCnonceRepeat()	Gets the current value from the system properties map.
static String	getHttpAuthDigestReenabledAlgorithms()	Gets the current value from the system properties map.
static String	getHttpAuthDigestValidateProxy()	Gets the current value from the system properties map.
static String	getHttpAuthDigestValidateServer()	Gets the current value from the system properties map.
static String	getHttpAuthNtlmDomain()	Gets the current value from the system properties map.
static String	getHttpKeepAlive()	Gets the current value from the system properties map.
static String	getHttpKeepAliveTimeProxy()	Gets the current value from the system properties map.
static String	getHttpKeepAliveTimeServer()	Gets the current value from the system properties map.
static String	getHttpMaxConnections()	Gets the current value from the system properties map.
static String	getHttpMaxRedirects()	Gets the current value from the system properties map.
static String	getHttpNonProxyHosts()	Gets the current value from the system properties map.
static String	getHttpProxyHost()	Gets the current value from the system properties map.
static String	getHttpProxyPort()	Gets the current value from the system properties map.
static String	getHttpsProxyHost()	Gets the current value from the system properties map.
static String	getHttpsProxyPort()	Gets the current value from the system properties map.
static int	getInt(Class<?> clazz, String key, IntSupplier defaultIfAbsent)	Gets the current value for the property named "SimpleClassName.Key" as an int.
static int	getInt(String key, IntSupplier defaultIfAbsent)	Gets the current value for the property named key as an int.
static String	getJavaAwtFonts()	Deprecated. Deprecated without replacement.
static String	getJavaAwtGraphicsenv()	Deprecated. Deprecated without replacement.
static String	getJavaAwtHeadless()	Deprecated. Deprecated without replacement.
static String	getJavaAwtPrinterjob()	Deprecated. Deprecated without replacement.
static String	getJavaClassPath()	Gets the current value from the system properties map.
static String	getJavaClassVersion()	Gets the current value from the system properties map.
static String	getJavaCompiler()	Deprecated. Deprecated without replacement.
static String	getJavaContentHandlerPkgs()	Gets the current value from the system properties map.
static String	getJavaEndorsedDirs()	Deprecated. Deprecated without replacement.
static String	getJavaExtDirs()	Deprecated. Deprecated without replacement.
static String	getJavaHome()	Gets the current value from the system properties map.
static String	getJavaIoTmpdir()	Gets the current value from the system properties map.
static String	getJavaLibraryPath()	Gets the current value from the system properties map.
static String	getJavaLocaleProviders()	Gets the current value from the system properties map.
static String	getJavaLocaleUseOldIsoCodes()	Gets the current value from the system properties map.
static String	getJavaNetPreferIpv4Stack()	Gets the current value from the system properties map.
static String	getJavaNetPreferIpv6Addresses()	Gets the current value from the system properties map.
static String	getJavaNetSocksPassword()	Gets the current value from the system properties map.
static String	getJavaNetSocksUserName()	Gets the current value from the system properties map.
static String	getJavaNetUseSystemProxies()	Gets the current value from the system properties map.
static String	getJavaNioChannelsDefaultThreadPoolInitialSize()	Gets the current value from the system properties map.
static String	getJavaNioChannelsDefaultThreadPoolThreadFactory()	Gets the current value from the system properties map.
static String	getJavaNioChannelsSpiAsynchronousChannelProvider()	Gets the current value from the system properties map.
static String	getJavaNioChannelsSpiSelectorProvider()	Gets the current value from the system properties map.
static String	getJavaNioFileSpiDefaultFileSystemProvider()	Gets the current value from the system properties map.
static String	getJavaPropertiesDate()	Gets the current value from the system properties map.
static String	getJavaProtocolHandlerPkgs()	Gets the current value from the system properties map.
static String	getJavaRmiServerCodebase()	Gets the current value from the system properties map.
static String	getJavaRmiServerHostName()	Gets the current value from the system properties map.
static String	getJavaRmiServerRandomIds()	Gets the current value from the system properties map.
static String	getJavaRmiServerRmiClassLoaderSpi()	Gets the current value from the system properties map.
static String	getJavaRuntimeName()	Gets the current value from the system properties map.
static String	getJavaRuntimeVersion()	Gets the current value from the system properties map.
static String	getJavaSecurityAuthLoginConfig()	Gets the current value from the system properties map.
static String	getJavaSecurityManager()	Gets the current value from the system properties map.
static String	getJavaSpecificationMaintenanceVersion()	Gets the current value from the system properties map.
static String	getJavaSpecificationName()	Gets the current value from the system properties map.
static String	getJavaSpecificationVendor()	Gets the current value from the system properties map.
static String	getJavaSpecificationVersion()	Gets the current value from the system properties map.
static String	getJavaSpecificationVersion(String defaultValue)	Gets the current value from the system properties map for "java.specification.version".
static String	getJavaSystemClassLoader()	Gets the current value from the system properties map for "java.system.class.loader".
static String	getJavaTimeZoneDefaultZoneRulesProvider()	Gets the current value from the system properties map for "java.time.zone.DefaultZoneRulesProvider".
static String	getJavaUtilConcurrentForkJoinPoolCommonExceptionHandler()	Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.exceptionHandler".
static String	getJavaUtilConcurrentForkJoinPoolCommonMaximumSpares()	Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.maximumSpares".
static String	getJavaUtilConcurrentForkJoinPoolCommonParallelism()	Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.parallelism".
static String	getJavaUtilConcurrentForkJoinPoolCommonThreadFactory()	Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.threadFactory".
static String	getJavaUtilCurrencyData()	Gets the current value from the system properties map for "java.util.currency.data".
static String	getJavaUtilLoggingConfigClass()	Gets the current value from the system properties map for "java.util.logging.config.class".
static String	getJavaUtilLoggingConfigFile()	Gets the current value from the system properties map for "java.util.logging.config.file".
static String	getJavaUtilLoggingSimpleFormatterFormat()	Gets the current value from the system properties map for "java.util.logging.simpleformatter.format".
static String	getJavaUtilPrefsPreferencesFactory()	Gets the current value from the system properties map for "java.util.prefs.PreferencesFactory".
static String	getJavaUtilPropertyResourceBundleEncoding()	Gets the current value from the system properties map for "java.util.PropertyResourceBundle.encoding".
static String	getJavaVendor()	Gets the current value from the system properties map for "java.vendor".
static String	getJavaVendorUrl()	Gets the current value from the system properties map for "java.vendor.url".
static String	getJavaVendorVersion()	Gets the current value from the system properties map for "java.vendor.version".
static String	getJavaVersion()	Gets the current value from the system properties map for "java.version".
static String	getJavaVersionDate()	Gets the current value from the system properties map for "java.version.date".
static String	getJavaVmInfo()	Gets the current value from the system properties map for "java.vm.info".
static String	getJavaVmName()	Gets the current value from the system properties map for "java.vm.name".
static String	getJavaVmSpecificationName()	Gets the current value from the system properties map for "java.vm.specification.name".
static String	getJavaVmSpecificationVendor()	Gets the current value from the system properties map for "java.vm.specification.vendor".
static String	getJavaVmSpecificationVersion()	Gets the current value from the system properties map for "java.vm.specification.version".
static String	getJavaVmVendor()	Gets the current value from the system properties map for "java.vm.vendor".
static String	getJavaVmVersion()	Gets the current value from the system properties map for "java.vm.version".
static String	getJavaxAccessibilityAssistiveTechnologies()	Gets the current value from the system properties map for "javax.accessibility.assistive_technologies".
static String	getJavaXmlConfigFile()	Gets the current value from the system properties map for "java.xml.config.file".
static String	getJavaxNetSslSessionCacheSize()	Gets the current value from the system properties map for "javax.net.ssl.sessionCacheSize".
static String	getJavaxRmiSslClientEnabledCipherSuites()	Gets the current value from the system properties map for "javax.rmi.ssl.client.enabledCipherSuites".
static String	getJavaxRmiSslClientEnabledProtocols()	Gets the current value from the system properties map for "javax.rmi.ssl.client.enabledProtocols".
static String	getJavaxSecurityAuthUseSubjectCredsOnly()	Gets the current value from the system properties map for "javax.security.auth.useSubjectCredsOnly".
static String	getJavaxSmartCardIoTerminalFactoryDefaultType()	Gets the current value from the system properties map for "javax.smartcardio.TerminalFactory.DefaultType".
static String	getJdbcDrivers()	Gets the current value from the system properties map for "jdbc.drivers".
static String	getJdkHttpAuthProxyingDisabledSchemes()	Gets the current value from the system properties map for "jdk.http.auth.proxying.disabledSchemes".
static String	getJdkHttpAuthTunnelingDisabledSchemes()	Gets the current value from the system properties map for "jdk.http.auth.tunneling.disabledSchemes".
static String	getJdkHttpClientAllowRestrictedHeaders()	Gets the current value from the system properties map for "jdk.httpclient.allowRestrictedHeaders".
static String	getJdkHttpClientAuthRetryLimit()	Gets the current value from the system properties map for "jdk.httpclient.auth.retrylimit".
static String	getJdkHttpClientBufSize()	Gets the current value from the system properties map for "jdk.httpclient.bufsize".
static String	getJdkHttpClientConnectionPoolSize()	Gets the current value from the system properties map for "jdk.httpclient.connectionPoolSize".
static String	getJdkHttpClientConnectionWindowSize()	Gets the current value from the system properties map for "jdk.httpclient.connectionWindowSize".
static String	getJdkHttpClientDisableRetryConnect()	Gets the current value from the system properties map for "jdk.httpclient.disableRetryConnect".
static String	getJdkHttpClientEnableAllMethodRetry()	Gets the current value from the system properties map for "jdk.httpclient.enableAllMethodRetry".
static String	getJdkHttpClientEnablePush()	Gets the current value from the system properties map for "jdk.httpclient.enablepush".
static String	getJdkHttpClientHpackMaxHeaderTableSize()	Gets the current value from the system properties map for "jdk.httpclient.hpack.maxheadertablesize".
static String	getJdkHttpClientHttpClientLog()	Gets the current value from the system properties map for "jdk.httpclient.HttpClient.log".
static String	getJdkHttpClientKeepAliveTimeout()	Gets the current value from the system properties map for "jdk.httpclient.keepalive.timeout".
static String	getJdkHttpClientKeepAliveTimeoutH2()	Gets the current value from the system properties map for "jdk.httpclient.keepalive.timeout.h2".
static String	getJdkHttpClientMaxFrameSize()	Gets the current value from the system properties map for "jdk.httpclient.maxframesize".
static String	getJdkHttpClientMaxStreams()	Gets the current value from the system properties map for "jdk.httpclient.maxstreams".
static String	getJdkHttpClientReceiveBufferSize()	Gets the current value from the system properties map for "jdk.httpclient.receiveBufferSize".
static String	getJdkHttpClientRedirectsRetryLimit()	Gets the current value from the system properties map for "jdk.httpclient.redirects.retrylimit".
static String	getJdkHttpClientSendBufferSize()	Gets the current value from the system properties map for "jdk.httpclient.sendBufferSize".
static String	getJdkHttpClientWebSocketWriteBufferSize()	Gets the current value from the system properties map for "jdk.httpclient.websocket.writeBufferSize".
static String	getJdkHttpClientWindowSize()	Gets the current value from the system properties map for "jdk.httpclient.windowsize".
static String	getJdkHttpServerMaxConnections()	Gets the current value from the system properties map for "jdk.httpserver.maxConnections".
static String	getJdkHttpsNegotiateCbt()	Gets the current value from the system properties map for "jdk.https.negotiate.cbt".
static String	getJdkIncludeInExceptions()	Gets the current value from the system properties map for "jdk.includeInExceptions".
static String	getJdkInternalHttpClientDisableHostNameVerification()	Gets the current value from the system properties map for "jdk.internal.httpclient.disableHostnameVerification".
static String	getJdkIoPermissionsUseCanonicalPath()	Gets the current value from the system properties map for "jdk.io.permissionsUseCanonicalPath".
static String	getJdkJndiLdapObjectFactoriesFilter()	Gets the current value from the system properties map for "jdk.jndi.ldap.object.factoriesFilter".
static String	getJdkJndiObjectFactoriesFilter()	Gets the current value from the system properties map for "jdk.jndi.object.factoriesFilter".
static String	getJdkJndiRmiObjectFactoriesFilter()	Gets the current value from the system properties map for "jdk.jndi.rmi.object.factoriesFilter".
static String	getJdkModuleMain()	Gets the current value from the system properties map for "jdk.module.main".
static String	getJdkModuleMainClass()	Gets the current value from the system properties map for "jdk.module.main.class".
static String	getJdkModulePath()	Gets the current value from the system properties map for "jdk.module.path".
static String	getJdkModuleUpgradePath()	Gets the current value from the system properties map for "jdk.module.upgrade.path".
static String	getJdkNetUnixDomainTmpDir()	Gets the current value from the system properties map for "jdk.net.unixdomain.tmpdir".
static String	getJdkNetUrlClassPathShowIgnoredClassPathEntries()	Gets the current value from the system properties map for "jdk.net.URLClassPath.showIgnoredClassPathEntries".
static String	getJdkSerialFilter()	Gets the current value from the system properties map for "jdk.serialFilter".
static String	getJdkSerialFilterFactory()	Gets the current value from the system properties map for "jdk.serialFilterFactory".
static String	getJdkTlsClientSignatureSchemes()	Gets the current value from the system properties map for "jdk.tls.client.SignatureSchemes".
static String	getJdkTlsNamedGroups()	Gets the current value from the system properties map for "jdk.tls.namedGroups".
static String	getJdkTlsServerSignatureSchemes()	Gets the current value from the system properties map for "jdk.tls.server.SignatureSchemes".
static String	getJdkVirtualThreadSchedulerMaxPoolSize()	Gets the current value from the system properties map for "jdk.virtualThreadScheduler.maxPoolSize".
static String	getJdkVirtualThreadSchedulerParallelism()	Gets the current value from the system properties map for "jdk.virtualThreadScheduler.parallelism".
static String	getJdkXmlCdataChunkSize()	Gets the current value from the system properties map for "jdk.xml.cdataChunkSize".
static String	getJdkXmlDtdSupport()	Gets the current value from the system properties map for "jdk.xml.dtd.support".
static String	getJdkXmlElementAttributeLimit()	Gets the current value from the system properties map for "jdk.xml.elementAttributeLimit".
static String	getJdkXmlEnableExtensionFunctions()	Gets the current value from the system properties map for "jdk.xml.enableExtensionFunctions".
static String	getJdkXmlEntityExpansionLimit()	Gets the current value from the system properties map for "jdk.xml.entityExpansionLimit".
static String	getJdkXmlEntityReplacementLimit()	Gets the current value from the system properties map for "jdk.xml.entityReplacementLimi_t".
static String	getJdkXmlIsStandalone()	Gets the current value from the system properties map for "jdk.xml.isStandalone".
static String	getJdkXmlJdkCatalogResolve()	Gets the current value from the system properties map for "jdk.xml.jdkcatalog.resolve".
static String	getJdkXmlMaxElementDepth()	Gets the current value from the system properties map for "jdk.xml.maxElementDepth".
static String	getJdkXmlMaxGeneralEntitySizeLimit()	Gets the current value from the system properties map for "jdk.xml.maxGeneralEntitySizeLimit".
static String	getJdkXmlMaxOccurLimit()	Gets the current value from the system properties map for "jdk.xml.maxOccurLimit".
static String	getJdkXmlMaxParameterEntitySizeLimit()	Gets the current value from the system properties map for "jdk.xml.maxParameterEntitySizeLimit".
static String	getJdkXmlMaxXmlNameLimit()	Gets the current value from the system properties map for "jdk.xml.maxXMLNameLimit".
static String	getJdkXmlOverrideDefaultParser()	Gets the current value from the system properties map for "jdk.xml.overrideDefaultParser".
static String	getJdkXmlResetSymbolTable()	Gets the current value from the system properties map for "jdk.xml.resetSymbolTable".
static String	getJdkXmlTotalEntitySizeLimit()	Gets the current value from the system properties map for "jdk.xml.totalEntitySizeLimit".
static String	getJdkXmlXsltcIsStandalone()	Gets the current value from the system properties map for "jdk.xml.xsltcIsStandalone".
static String	getLineSeparator()	Gets the current value from the system properties map for "line.separator".
static String	getLineSeparator(Supplier<String> defaultIfAbsent)	Gets the current value from the system properties map for "line.separator".
static long	getLong(Class<?> clazz, String key, LongSupplier defaultIfAbsent)	Gets the current value for the property named "SimpleClassName.Key" as a long.
static long	getLong(String key, LongSupplier defaultIfAbsent)	Gets the current value for the property named key as a long.
static String	getNativeEncoding()	Gets the current value from the system properties map for "native.encoding".
static String	getNetworkAddressCacheNegativeTtl()	Gets the current value from the system properties map for "networkaddress.cache.negative.ttl".
static String	getNetworkAddressCacheStaleTtl()	Gets the current value from the system properties map for "networkaddress.cache.stale.ttl".
static String	getNetworkAddressCacheTtl()	Gets the current value from the system properties map for "networkaddress.cache.ttl".
static String	getOrgJcpXmlDsigSecureValidation()	Gets the current value from the system properties map for "org.jcp.xml.dsig.securevalidation".
static String	getOrgOpenJdkJavaUtilStreamTripwire()	Gets the current value from the system properties map for "org.openjdk.java.util.stream.tripwire".
static String	getOsArch()	Gets the current value from the system properties map for "os.arch".
static String	getOsName()	Gets the current value from the system properties map for "os.name".
static String	getOsVersion()	Gets the current value from the system properties map for "os.version".
static String	getPathSeparator()	Gets the current value from the system properties map for "path.separator".
static String	getProperty(String property)	Gets a System property, defaulting to null if the property cannot be read.
static String	getSocksProxyHost()	Gets the current value from the system properties map for "socksProxyHost".
static String	getSocksProxyPort()	Gets the current value from the system properties map for "socksProxyPort".
static String	getSocksProxyVersion()	Gets the current value from the system properties map for "socksProxyVersion".
static String	getStdErrEncoding()	Gets the current value from the system properties map for "stderr.encoding".
static String	getStdOutEncoding()	Gets the current value from the system properties map for "stdout.encoding".
static String	getSunNetHttpServerDrainAmount()	Gets the current value from the system properties map for "sun.net.httpserver.drainAmount".
static String	getSunNetHttpServerIdleInterval()	Gets the current value from the system properties map for "sun.net.httpserver.idleInterval".
static String	getSunNetHttpServerMaxIdleConnections()	Gets the current value from the system properties map for "sun.net.httpserver.maxIdleConnections".
static String	getSunNetHttpServerMaxReqHeaders()	Gets the current value from the system properties map for "sun.net.httpserver.maxReqHeaders".
static String	getSunNetHttpServerMaxReqTime()	Gets the current value from the system properties map for "sun.net.httpserver.maxReqTime".
static String	getSunNetHttpServerMaxRspTime()	Gets the current value from the system properties map for "sun.net.httpserver.maxRspTime".
static String	getSunNetHttpServerNoDelay()	Gets the current value from the system properties map for "sun.net.httpserver.nodelay".
static String	getSunSecurityKrb5Principal()	Gets the current value from the system properties map for "sun.security.krb5.principal".
static String	getUserCountry()	Gets the current value from the system properties map for "user.country".
static String	getUserDir()	Gets the current value from the system properties map for "user.dir".
static String	getUserExtensions()	Gets the current value from the system properties map for "user.extensions".
static String	getUserHome()	Gets the current value from the system properties map for "user.home".
static String	getUserLanguage()	Gets the current value from the system properties map for "user.language".
static String	getUserName()	Gets the current value from the system properties map for "user.name".
static String	getUserName(String defaultValue)	Gets the current value from the system properties map for "user.name".
static String	getUserRegion()	Gets the current value from the system properties map for "user.region".
static String	getUserScript()	Gets the current value from the system properties map for "user.script".
static String	getUserTimezone()	Gets the current value from the system properties map for "user.timezone".
static String	getUserVariant()	Gets the current value from the system properties map for "user.variant".
static boolean	isPropertySet(String property)	Tests whether the given property is set.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

APPLE_AWT_ENABLE_TEMPLATE_IMAGES

public static final String APPLE_AWT_ENABLE_TEMPLATE_IMAGES

The System property name "apple.awt.enableTemplateImages".

Since:

3.15.0

See Also:

• apple.awt.enableTemplateImages
• Constant Field Values

AWT_TOOLKIT

@Deprecated
public static final String AWT_TOOLKIT

Deprecated.

Deprecated without replacement.

The System property name "awt.toolkit".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

COM_SUN_JNDI_LDAP_OBJECT_TRUST_SERIAL_DATA

public static final String COM_SUN_JNDI_LDAP_OBJECT_TRUST_SERIAL_DATA

The System property name "com.sun.jndi.ldap.object.trustSerialData".

Since:

3.15.0

See Also:

• com.sun.jndi.ldap.object.trustSerialData
• Constant Field Values

COM_SUN_NET_HTTP_SERVER_HTTP_SERVER_PROVIDER

public static final String COM_SUN_NET_HTTP_SERVER_HTTP_SERVER_PROVIDER

The System property name "com.sun.net.httpserver.HttpServerProvider".

Since:

3.15.0

See Also:

• com.sun.net.httpserver.HttpServerProvider
• Constant Field Values

FILE_ENCODING

public static final String FILE_ENCODING

The System property name "file.encoding".

See Also:

• Constant Field Values

FILE_SEPARATOR

public static final String FILE_SEPARATOR

The System property name "file.separator".

See Also:

• Constant Field Values

FTP_NON_PROXY_HOST

public static final String FTP_NON_PROXY_HOST

The System property name "ftp.nonProxyHosts".

Since:

3.15.0

See Also:

• ftp.nonProxyHosts
• Constant Field Values

FTP_PROXY_HOST

public static final String FTP_PROXY_HOST

The System property name "ftp.proxyHost".

Since:

3.15.0

See Also:

• ftp.proxyHost
• Constant Field Values

FTP_PROXY_PORT

public static final String FTP_PROXY_PORT

The System property name "ftp.proxyPort".

Since:

3.15.0

See Also:

• ftp.proxyPort
• Constant Field Values

HTTP_AGENT

public static final String HTTP_AGENT

The System property name "http.agent".

Since:

3.15.0

See Also:

• http.agent
• Constant Field Values

HTTP_AUTH_DIGEST_CNONCE_REPEAT

public static final String HTTP_AUTH_DIGEST_CNONCE_REPEAT

The System property name "http.auth.digest.cnonceRepeat".

Since:

3.15.0

See Also:

• auth.digest.cnonceRepeat
• Constant Field Values

HTTP_AUTH_DIGEST_RE_ENABLED_ALGORITHMS

public static final String HTTP_AUTH_DIGEST_RE_ENABLED_ALGORITHMS

The System property name "http.auth.digest.reEnabledAlgorithms".

Since:

3.15.0

See Also:

• http.auth.digest.reEnabledAlgorithms
• Constant Field Values

HTTP_AUTH_DIGEST_VALIDATE_PROXY

public static final String HTTP_AUTH_DIGEST_VALIDATE_PROXY

The System property name "http.auth.digest.validateProxy".

Since:

3.15.0

See Also:

• http.auth.digest.validateProxy
• Constant Field Values

HTTP_AUTH_DIGEST_VALIDATE_SERVER

public static final String HTTP_AUTH_DIGEST_VALIDATE_SERVER

The System property name "http.auth.digest.validateServer".

Since:

3.15.0

See Also:

• http.auth.digest.validateServer
• Constant Field Values

HTTP_AUTH_NTLM_DOMAIN

public static final String HTTP_AUTH_NTLM_DOMAIN

The System property name "http.auth.ntlm.domain".

Since:

3.15.0

See Also:

• http.auth.ntlm.domain
• Constant Field Values

HTTP_KEEP_ALIVE

public static final String HTTP_KEEP_ALIVE

The System property name "http.keepAlive".

Since:

3.15.0

See Also:

• http.keepAlive
• Constant Field Values

HTTP_KEEP_ALIVE_TIME_PROXY

public static final String HTTP_KEEP_ALIVE_TIME_PROXY

The System property name "http.keepAlive.time.proxy".

Since:

3.15.0

See Also:

• http.keepAlive.time.proxy
• Constant Field Values

HTTP_KEEP_ALIVE_TIME_SERVER

public static final String HTTP_KEEP_ALIVE_TIME_SERVER

The System property name "http.keepAlive.time.server".

Since:

3.15.0

See Also:

• http.keepAlive.time.server
• Constant Field Values

HTTP_MAX_CONNECTIONS

public static final String HTTP_MAX_CONNECTIONS

The System property name "http.maxConnections".

Since:

3.15.0

See Also:

• http.maxConnections
• Constant Field Values

HTTP_MAX_REDIRECTS

public static final String HTTP_MAX_REDIRECTS

The System property name "http.maxRedirects".

Since:

3.15.0

See Also:

• http.maxRedirects
• Constant Field Values

HTTP_NON_PROXY_HOSTS

public static final String HTTP_NON_PROXY_HOSTS

The System property name "http.nonProxyHosts".

Since:

3.15.0

See Also:

• http.nonProxyHosts
• Constant Field Values

HTTP_PROXY_HOST

public static final String HTTP_PROXY_HOST

The System property name "http.proxyHost".

Since:

3.15.0

See Also:

• http.proxyHost
• Constant Field Values

HTTP_PROXY_PORT

public static final String HTTP_PROXY_PORT

The System property name "http.proxyPort".

Since:

3.15.0

See Also:

• http.proxyPort
• Constant Field Values

HTTPS_PROXY_HOST

public static final String HTTPS_PROXY_HOST

The System property name "https.proxyHost".

Since:

3.15.0

See Also:

• https.proxyHost
• Constant Field Values

HTTPS_PROXY_PORT

public static final String HTTPS_PROXY_PORT

The System property name "https.proxyPort".

Since:

3.15.0

See Also:

• https.proxyPort
• Constant Field Values

JAVA_AWT_FONTS

@Deprecated
public static final String JAVA_AWT_FONTS

Deprecated.

Deprecated without replacement.

The System property name "java.awt.fonts".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

JAVA_AWT_GRAPHICSENV

@Deprecated
public static final String JAVA_AWT_GRAPHICSENV

Deprecated.

Deprecated without replacement.

The System property name "java.awt.graphicsenv".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

JAVA_AWT_HEADLESS

@Deprecated
public static final String JAVA_AWT_HEADLESS

Deprecated.

Deprecated without replacement.

The System property name "java.awt.headless".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

JAVA_AWT_PRINTERJOB

@Deprecated
public static final String JAVA_AWT_PRINTERJOB

Deprecated.

Deprecated without replacement.

The System property name "java.awt.printerjob".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

JAVA_CLASS_PATH

public static final String JAVA_CLASS_PATH

The System property name "java.class.path".

See Also:

• java.class.path
• Constant Field Values

JAVA_CLASS_VERSION

public static final String JAVA_CLASS_VERSION

The System property name "java.class.version".

See Also:

• Constant Field Values

JAVA_COMPILER

@Deprecated
public static final String JAVA_COMPILER

Deprecated.

Deprecated without replacement.

The System property name "java.compiler".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• JDK-8305998
• System Properties
• Constant Field Values

JAVA_CONTENT_HANDLER_PKGS

public static final String JAVA_CONTENT_HANDLER_PKGS

The System property name "java.content.handler.pkgs".

Since:

3.15.0

See Also:

• java.content.handler.pkgs
• Constant Field Values

JAVA_ENDORSED_DIRS

@Deprecated
public static final String JAVA_ENDORSED_DIRS

Deprecated.

Deprecated without replacement.

The System property name "java.endorsed.dirs".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

JAVA_EXT_DIRS

@Deprecated
public static final String JAVA_EXT_DIRS

Deprecated.

Deprecated without replacement.

The System property name "java.ext.dirs".

Not in Java 17 and above according to System Properties Javadoc.

See Also:

• System Properties
• Constant Field Values

JAVA_HOME

public static final String JAVA_HOME

The System property name "java.home".

See Also:

• Constant Field Values

JAVA_IO_TMPDIR

public static final String JAVA_IO_TMPDIR

The System property name "java.io.tmpdir".

See Also:

• Constant Field Values

JAVA_LIBRARY_PATH

public static final String JAVA_LIBRARY_PATH

The System property name "java.library.path".

See Also:

• Constant Field Values

JAVA_LOCALE_PROVIDERS

public static final String JAVA_LOCALE_PROVIDERS

The System property name "java.locale.providers".

See Also:

• Constant Field Values

JAVA_LOCALE_USE_OLD_ISO_CODES

public static final String JAVA_LOCALE_USE_OLD_ISO_CODES

The System property name "java.locale.useOldISOCodes".

Since:

3.15.0

See Also:

• java.locale.useOldISOCodes
• Constant Field Values

JAVA_NET_PREFER_IPV4_STACK

public static final String JAVA_NET_PREFER_IPV4_STACK

The System property name "java.net.preferIPv4Stack".

Since:

3.15.0

See Also:

• java.net.preferIPv4Stack
• Constant Field Values

JAVA_NET_PREFER_IPV6_ADDRESSES

public static final String JAVA_NET_PREFER_IPV6_ADDRESSES

The System property name "java.net.preferIPv6Addresses".

Since:

3.15.0

See Also:

• java.net.preferIPv6Addresses
• Constant Field Values

JAVA_NET_SOCKS_PASSWORD

public static final String JAVA_NET_SOCKS_PASSWORD

The System property name "java.net.socks.password".

Since:

3.15.0

See Also:

• java.net.socks.password
• Constant Field Values

JAVA_NET_SOCKS_USER_NAME

public static final String JAVA_NET_SOCKS_USER_NAME

The System property name "java.net.socks.username".

Since:

3.15.0

See Also:

• java.net.socks.username
• Constant Field Values

JAVA_NET_USE_SYSTEM_PROXIES

public static final String JAVA_NET_USE_SYSTEM_PROXIES

The System property name "java.net.useSystemProxies".

Since:

3.15.0

See Also:

• java.net.useSystemProxies
• Constant Field Values

JAVA_NIO_CHANNELS_DEFAULT_THREAD_POOL_INITIAL_SIZE

public static final String JAVA_NIO_CHANNELS_DEFAULT_THREAD_POOL_INITIAL_SIZE

The System property name "java.nio.channels.DefaultThreadPool.initialSize".

Since:

3.15.0

See Also:

• java.nio.channels.DefaultThreadPool.initialSize
• Constant Field Values

JAVA_NIO_CHANNELS_DEFAULT_THREAD_POOL_THREAD_FACTORY

public static final String JAVA_NIO_CHANNELS_DEFAULT_THREAD_POOL_THREAD_FACTORY

The System property name "java.nio.channels.DefaultThreadPool.threadFactory".

Since:

3.15.0

See Also:

• java.nio.channels.DefaultThreadPool.threadFactory
• Constant Field Values

JAVA_NIO_CHANNELS_SPI_ASYNCHRONOUS_CHANNEL_PROVIDER

public static final String JAVA_NIO_CHANNELS_SPI_ASYNCHRONOUS_CHANNEL_PROVIDER

The System property name "java.nio.channels.spi.AsynchronousChannelProvider".

Since:

3.15.0

See Also:

• java.nio.channels.DefaultThreadPool.initialSize
• Constant Field Values

JAVA_NIO_CHANNELS_SPI_SELECTOR_PROVIDER

public static final String JAVA_NIO_CHANNELS_SPI_SELECTOR_PROVIDER

The System property name "java.nio.channels.spi.SelectorProvider".

Since:

3.15.0

See Also:

• java.nio.channels.spi.SelectorProvider
• Constant Field Values

JAVA_NIO_FILE_SPI_DEFAULT_FILE_SYSTEM_PROVIDER

public static final String JAVA_NIO_FILE_SPI_DEFAULT_FILE_SYSTEM_PROVIDER

The System property name "java.nio.file.spi.DefaultFileSystemProvider".

Since:

3.15.0

See Also:

• java.nio.file.spi.DefaultFileSystemProvider
• Constant Field Values

JAVA_PROPERTIES_DATE

public static final String JAVA_PROPERTIES_DATE

The System property name "java.properties.date".

Since:

3.15.0

See Also:

• java.properties.date
• Constant Field Values

JAVA_PROTOCOL_HANDLER_PKGS

public static final String JAVA_PROTOCOL_HANDLER_PKGS

The System property name "java.protocol.handler.pkgs".

Since:

3.15.0

See Also:

• java.protocol.handler.pkgs
• Constant Field Values

JAVA_RMI_SERVER_CODEBASE

public static final String JAVA_RMI_SERVER_CODEBASE

The System property name "java.rmi.server.codebase".

Since:

3.15.0

See Also:

• java.rmi.server.codebase
• Constant Field Values

JAVA_RMI_SERVER_HOST_NAME

public static final String JAVA_RMI_SERVER_HOST_NAME

The System property name "java.rmi.server.hostname".

Since:

3.15.0

See Also:

• java.rmi.server.hostname
• Constant Field Values

JAVA_RMI_SERVER_RANDOM_IDS

public static final String JAVA_RMI_SERVER_RANDOM_IDS

The System property name "java.rmi.server.randomIDs".

Since:

3.15.0

See Also:

• java.rmi.server.randomIDs
• Constant Field Values

JAVA_RMI_SERVER_RMI_CLASS_LOADER_SPI

public static final String JAVA_RMI_SERVER_RMI_CLASS_LOADER_SPI

The System property name "java.rmi.server.RMIClassLoaderSpi".

Since:

3.15.0

See Also:

• java.rmi.server.RMIClassLoaderSpi
• Constant Field Values

JAVA_RUNTIME_NAME

public static final String JAVA_RUNTIME_NAME

The System property name "java.runtime.name".

See Also:

• Constant Field Values

JAVA_RUNTIME_VERSION

public static final String JAVA_RUNTIME_VERSION

The System property name "java.runtime.version".

See Also:

• Constant Field Values

JAVA_SECURITY_AUTH_LOGIN_CONFIG

public static final String JAVA_SECURITY_AUTH_LOGIN_CONFIG

The System property name "java.security.auth.login.config".

Since:

3.15.0

See Also:

• java.security.auth.login.config
• Constant Field Values

JAVA_SECURITY_KERBEROS_CONF

public static final String JAVA_SECURITY_KERBEROS_CONF

The System property name "java.security.krb5.conf".

Since:

3.18.0

See Also:

• java.security.krb5.conf
• package javax.security.auth.kerberos conf
• Constant Field Values

JAVA_SECURITY_KERBEROS_KDC

public static final String JAVA_SECURITY_KERBEROS_KDC

The System property name "java.security.krb5.kdc".

Since:

3.18.0

See Also:

• java.security.krb5.kdc
• package javax.security.auth.kerberos KDC
• Constant Field Values

JAVA_SECURITY_KERBEROS_REALM

public static final String JAVA_SECURITY_KERBEROS_REALM

The System property name "java.security.krb5.realm".

Since:

3.18.0

See Also:

• java.security.krb5.realm
• package javax.security.auth.kerberos realm
• Constant Field Values

JAVA_SECURITY_DEBUG

public static final String JAVA_SECURITY_DEBUG

The System property name "java.security.debug".

Since:

3.18.0

See Also:

• java.security.debug
• Constant Field Values

JAVA_SECURITY_MANAGER

public static final String JAVA_SECURITY_MANAGER

The System property name "java.security.manager".

Since:

3.15.0

See Also:

• java.security.manager
• Constant Field Values

JAVA_SPECIFICATION_MAINTENANCE_VERSION

public static final String JAVA_SPECIFICATION_MAINTENANCE_VERSION

The System property name "java.specification.maintenance.version".

Since:

3.15.0

See Also:

• java.specification.maintenance.version
• Constant Field Values

JAVA_SPECIFICATION_NAME

public static final String JAVA_SPECIFICATION_NAME

The System property name "java.specification.name".

See Also:

• Constant Field Values

JAVA_SPECIFICATION_VENDOR

public static final String JAVA_SPECIFICATION_VENDOR

The System property name "java.specification.vendor".

See Also:

• Constant Field Values

JAVA_SPECIFICATION_VERSION

public static final String JAVA_SPECIFICATION_VERSION

The System property name "java.specification.version".

See Also:

• Constant Field Values

JAVA_SYSTEM_CLASS_LOADER

public static final String JAVA_SYSTEM_CLASS_LOADER

The System property name "java.system.class.loader".

Since:

3.15.0

See Also:

• java.system.class.loader
• Constant Field Values

JAVA_TIME_ZONE_DEFAULT_ZONE_RULES_PROVIDER

public static final String JAVA_TIME_ZONE_DEFAULT_ZONE_RULES_PROVIDER

The System property name "java.time.zone.DefaultZoneRulesProvider".

Since:

3.15.0

See Also:

• java.time.zone.DefaultZoneRulesProvider
• Constant Field Values

JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_EXCEPTION_HANDLER

public static final String JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_EXCEPTION_HANDLER

The System property name "java.util.concurrent.ForkJoinPool.common.exceptionHandler".

Since:

3.15.0

See Also:

• java.util.concurrent.ForkJoinPool.common.exceptionHandler
• Constant Field Values

JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_MAXIMUM_SPARES

public static final String JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_MAXIMUM_SPARES

The System property name "java.util.concurrent.ForkJoinPool.common.maximumSpares".

Since:

3.15.0

See Also:

• java.util.concurrent.ForkJoinPool.common.maximumSpares
• Constant Field Values

JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_PARALLELISM

public static final String JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_PARALLELISM

The System property name "java.util.concurrent.ForkJoinPool.common.parallelism".

Since:

3.15.0

See Also:

• java.util.concurrent.ForkJoinPool.common.parallelism
• Constant Field Values

JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_THREAD_FACTORY

public static final String JAVA_UTIL_CONCURRENT_FORK_JOIN_POOL_COMMON_THREAD_FACTORY

The System property name "java.util.concurrent.ForkJoinPool.common.threadFactory".

Since:

3.15.0

See Also:

• java.util.concurrent.ForkJoinPool.common.threadFactory
• Constant Field Values

JAVA_UTIL_CURRENCY_DATA

public static final String JAVA_UTIL_CURRENCY_DATA

The System property name "java.util.currency.data".

Since:

3.15.0

See Also:

• java.util.currency.data
• Constant Field Values

JAVA_UTIL_LOGGING_CONFIG_CLASS

public static final String JAVA_UTIL_LOGGING_CONFIG_CLASS

The System property name "java.util.logging.config.class".

Since:

3.15.0

See Also:

• java.util.logging.config.class
• Constant Field Values

JAVA_UTIL_LOGGING_CONFIG_FILE

public static final String JAVA_UTIL_LOGGING_CONFIG_FILE

The System property name "java.util.logging.config.file".

Since:

3.15.0

See Also:

• java.util.logging.config.file
• Constant Field Values

JAVA_UTIL_LOGGING_SIMPLE_FORMATTER_FORMAT

public static final String JAVA_UTIL_LOGGING_SIMPLE_FORMATTER_FORMAT

The System property name "java.util.logging.simpleformatter.format".

Since:

3.15.0

See Also:

• java.util.logging.SimpleFormatter.format
• Constant Field Values

JAVA_UTIL_PREFS_PREFERENCES_FACTORY

public static final String JAVA_UTIL_PREFS_PREFERENCES_FACTORY

The System property name "java.util.prefs.PreferencesFactory".

See Also:

• java.util.prefs.PreferencesFactory
• Constant Field Values

JAVA_UTIL_PROPERTY_RESOURCE_BUNDLE_ENCODING

public static final String JAVA_UTIL_PROPERTY_RESOURCE_BUNDLE_ENCODING

The System property name "java.util.PropertyResourceBundle.encoding".

Since:

3.15.0

See Also:

• java.util.PropertyResourceBundle.encoding
• Constant Field Values

JAVA_VENDOR

public static final String JAVA_VENDOR

The System property name "java.vendor".

See Also:

• Constant Field Values

JAVA_VENDOR_URL

public static final String JAVA_VENDOR_URL

The System property name "java.vendor.url".

See Also:

• Constant Field Values

JAVA_VENDOR_VERSION

public static final String JAVA_VENDOR_VERSION

The System property name "java.vendor.version".

Since:

3.15.0

See Also:

• java.vendor.version
• Constant Field Values

JAVA_VERSION

public static final String JAVA_VERSION

The System property name "java.version".

See Also:

• Constant Field Values

JAVA_VERSION_DATE

public static final String JAVA_VERSION_DATE

The System property name "java.version.date".

Since:

3.15.0

See Also:

• java.version.date
• Constant Field Values

JAVA_VM_INFO

public static final String JAVA_VM_INFO

The System property name "java.vm.info".

See Also:

• Constant Field Values

JAVA_VM_NAME

public static final String JAVA_VM_NAME

The System property name "java.vm.name".

See Also:

• Constant Field Values

JAVA_VM_SPECIFICATION_NAME

public static final String JAVA_VM_SPECIFICATION_NAME

The System property name "java.vm.specification.name".

See Also:

• Constant Field Values

JAVA_VM_SPECIFICATION_VENDOR

public static final String JAVA_VM_SPECIFICATION_VENDOR

The System property name "java.vm.specification.vendor".

See Also:

• Constant Field Values

JAVA_VM_SPECIFICATION_VERSION

public static final String JAVA_VM_SPECIFICATION_VERSION

The System property name "java.vm.specification.version".

See Also:

• Constant Field Values

JAVA_VM_VENDOR

public static final String JAVA_VM_VENDOR

The System property name "java.vm.vendor".

See Also:

• Constant Field Values

JAVA_VM_VERSION

public static final String JAVA_VM_VERSION

The System property name "java.vm.version".

See Also:

• Constant Field Values

JAVA_XML_CONFIG_FILE

public static final String JAVA_XML_CONFIG_FILE

The System property name "java.xml.config.file".

Since:

3.15.0

See Also:

• java.xml
• Constant Field Values

JAVAX_ACCESSIBILITY_ASSISTIVE_TECHNOLOGIES

public static final String JAVAX_ACCESSIBILITY_ASSISTIVE_TECHNOLOGIES

The System property name "javax.accessibility.assistive_technologies".

Since:

3.15.0

See Also:

• javax.accessibility.assistive_technologies
• Constant Field Values

JAVAX_NET_SSL_SESSION_CACHE_SIZE

public static final String JAVAX_NET_SSL_SESSION_CACHE_SIZE

The System property name "javax.net.ssl.sessionCacheSize".

Since:

3.15.0

See Also:

• javax.net.ssl.sessionCacheSize
• Constant Field Values

JAVAX_RMI_SSL_CLIENT_ENABLED_CIPHER_SUITES

public static final String JAVAX_RMI_SSL_CLIENT_ENABLED_CIPHER_SUITES

The System property name "javax.rmi.ssl.client.enabledCipherSuites".

Since:

3.15.0

See Also:

• javax.rmi.ssl.client.enabledCipherSuites
• Constant Field Values

JAVAX_RMI_SSL_CLIENT_ENABLED_PROTOCOLS

public static final String JAVAX_RMI_SSL_CLIENT_ENABLED_PROTOCOLS

The System property name "javax.rmi.ssl.client.enabledProtocols".

Since:

3.15.0

See Also:

• javax.rmi.ssl.client.enabledProtocols
• Constant Field Values

JAVAX_SECURITY_AUTH_USE_SUBJECT_CREDS_ONLY

public static final String JAVAX_SECURITY_AUTH_USE_SUBJECT_CREDS_ONLY

The System property name "javax.security.auth.useSubjectCredsOnly".

Since:

3.15.0

See Also:

• javax.security.auth.useSubjectCredsOnly
• Constant Field Values

JAVAX_SMART_CARD_IO_TERMINAL_FACTORY_DEFAULT_TYPE

public static final String JAVAX_SMART_CARD_IO_TERMINAL_FACTORY_DEFAULT_TYPE

The System property name "javax.smartcardio.TerminalFactory.DefaultType".

Since:

3.15.0

See Also:

• javax.smartcardio.TerminalFactory.DefaultType
• Constant Field Values

JDBC_DRIVERS

public static final String JDBC_DRIVERS

The System property name "jdbc.drivers".

Since:

3.15.0

See Also:

• jdbc.drivers
• Constant Field Values

JDK_HTTP_AUTH_PROXYING_DISABLED_SCHEMES

public static final String JDK_HTTP_AUTH_PROXYING_DISABLED_SCHEMES

The System property name "jdk.http.auth.proxying.disabledSchemes".

Since:

3.15.0

See Also:

• jdk.http.auth.proxying.disabledSchemes
• Constant Field Values

JDK_HTTP_AUTH_TUNNELING_DISABLED_SCHEMES

public static final String JDK_HTTP_AUTH_TUNNELING_DISABLED_SCHEMES

The System property name "jdk.http.auth.tunneling.disabledSchemes".

Since:

3.15.0

See Also:

• jdk.http.auth.tunneling.disabledSchemes
• Constant Field Values

JDK_HTTP_CLIENT_ALLOW_RESTRICTED_HEADERS

public static final String JDK_HTTP_CLIENT_ALLOW_RESTRICTED_HEADERS

The System property name "jdk.httpclient.allowRestrictedHeaders".

Since:

3.15.0

See Also:

• jdk.httpclient.allowRestrictedHeaders
• Constant Field Values

JDK_HTTP_CLIENT_AUTH_RETRY_LIMIT

public static final String JDK_HTTP_CLIENT_AUTH_RETRY_LIMIT

The System property name "jdk.httpclient.auth.retrylimit".

Since:

3.15.0

See Also:

• jdk.httpclient.auth.retrylimit
• Constant Field Values

JDK_HTTP_CLIENT_BUF_SIZE

public static final String JDK_HTTP_CLIENT_BUF_SIZE

The System property name "jdk.httpclient.bufsize".

Since:

3.15.0

See Also:

• jdk.httpclient.bufsize
• Constant Field Values

JDK_HTTP_CLIENT_CONNECTION_POOL_SIZE

public static final String JDK_HTTP_CLIENT_CONNECTION_POOL_SIZE

The System property name "jdk.httpclient.connectionPoolSize".

Since:

3.15.0

See Also:

• jdk.httpclient.connectionPoolSize
• Constant Field Values

JDK_HTTP_CLIENT_CONNECTION_WINDOW_SIZE

public static final String JDK_HTTP_CLIENT_CONNECTION_WINDOW_SIZE

The System property name "jdk.httpclient.connectionWindowSize".

Since:

3.15.0

See Also:

• jdk.httpclient.connectionWindowSize
• Constant Field Values

JDK_HTTP_CLIENT_DISABLE_RETRY_CONNECT

public static final String JDK_HTTP_CLIENT_DISABLE_RETRY_CONNECT

The System property name "jdk.httpclient.disableRetryConnect".

Since:

3.15.0

See Also:

• jdk.httpclient.disableRetryConnect
• Constant Field Values

JDK_HTTP_CLIENT_ENABLE_ALL_METHOD_RETRY

public static final String JDK_HTTP_CLIENT_ENABLE_ALL_METHOD_RETRY

The System property name "jdk.httpclient.enableAllMethodRetry".

Since:

3.15.0

See Also:

• jdk.httpclient.enableAllMethodRetry
• Constant Field Values

JDK_HTTP_CLIENT_ENABLE_PUSH

public static final String JDK_HTTP_CLIENT_ENABLE_PUSH

The System property name "jdk.httpclient.enablepush".

Since:

3.15.0

See Also:

• jdk.httpclient.enablepush
• Constant Field Values

JDK_HTTP_CLIENT_HPACK_MAX_HEADER_TABLE_SIZE

public static final String JDK_HTTP_CLIENT_HPACK_MAX_HEADER_TABLE_SIZE

The System property name "jdk.httpclient.hpack.maxheadertablesize".

Since:

3.15.0

See Also:

• jdk.httpclient.hpack.maxheadertablesize
• Constant Field Values

JDK_HTTP_CLIENT_HTTP_CLIENT_LOG

public static final String JDK_HTTP_CLIENT_HTTP_CLIENT_LOG

The System property name "jdk.httpclient.HttpClient.log".

Since:

3.15.0

See Also:

• jdk.httpclient.HttpClient.log
• Constant Field Values

JDK_HTTP_CLIENT_KEEP_ALIVE_TIMEOUT

public static final String JDK_HTTP_CLIENT_KEEP_ALIVE_TIMEOUT

The System property name "jdk.httpclient.keepalive.timeout".

Since:

3.15.0

See Also:

• jdk.httpclient.keepalive.timeout
• Constant Field Values

JDK_HTTP_CLIENT_KEEP_ALIVE_TIMEOUT_H2

public static final String JDK_HTTP_CLIENT_KEEP_ALIVE_TIMEOUT_H2

The System property name "jdk.httpclient.keepalive.timeout.h2".

Since:

3.15.0

See Also:

• jdk.httpclient.keepalive.timeout.h2
• Constant Field Values

JDK_HTTP_CLIENT_MAX_FRAME_SIZE

public static final String JDK_HTTP_CLIENT_MAX_FRAME_SIZE

The System property name "jdk.httpclient.maxframesize".

Since:

3.15.0

See Also:

• jdk.httpclient.maxframesize
• Constant Field Values

JDK_HTTP_CLIENT_MAX_STREAMS

public static final String JDK_HTTP_CLIENT_MAX_STREAMS

The System property name "jdk.httpclient.maxstreams".

Since:

3.15.0

See Also:

• jdk.httpclient.maxstreams
• Constant Field Values

JDK_HTTP_CLIENT_RECEIVE_BUFFER_SIZE

public static final String JDK_HTTP_CLIENT_RECEIVE_BUFFER_SIZE

The System property name "jdk.httpclient.receiveBufferSize".

Since:

3.15.0

See Also:

• jdk.httpclient.receiveBufferSize
• Constant Field Values

JDK_HTTP_CLIENT_REDIRECTS_RETRY_LIMIT

public static final String JDK_HTTP_CLIENT_REDIRECTS_RETRY_LIMIT

The System property name "jdk.httpclient.redirects.retrylimit".

Since:

3.15.0

See Also:

• jdk.httpclient.redirects.retrylimit
• Constant Field Values

JDK_HTTP_CLIENT_SEND_BUFFER_SIZE

public static final String JDK_HTTP_CLIENT_SEND_BUFFER_SIZE

The System property name "jdk.httpclient.sendBufferSize".

Since:

3.15.0

See Also:

• jdk.httpclient.sendBufferSize
• Constant Field Values

JDK_HTTP_CLIENT_WEB_SOCKET_WRITE_BUFFER_SIZE

public static final String JDK_HTTP_CLIENT_WEB_SOCKET_WRITE_BUFFER_SIZE

The System property name "jdk.httpclient.websocket.writeBufferSize".

Since:

3.15.0

See Also:

• jdk.httpclient.websocket.writeBufferSize
• Constant Field Values

JDK_HTTP_CLIENT_WINDOW_SIZE

public static final String JDK_HTTP_CLIENT_WINDOW_SIZE

The System property name "jdk.httpclient.windowsize".

Since:

3.15.0

See Also:

• jdk.httpclient.windowsize
• Constant Field Values

JDK_HTTP_SERVER_MAX_CONNECTIONS

public static final String JDK_HTTP_SERVER_MAX_CONNECTIONS

The System property name "jdk.httpserver.maxConnections".

Since:

3.15.0

See Also:

• jdk.httpserver.maxConnections
• Constant Field Values

JDK_HTTPS_NEGOTIATE_CBT

public static final String JDK_HTTPS_NEGOTIATE_CBT

The System property name "jdk.https.negotiate.cbt".

Since:

3.15.0

See Also:

• jdk.https.negotiate.cbt
• Constant Field Values

JDK_INCLUDE_IN_EXCEPTIONS

public static final String JDK_INCLUDE_IN_EXCEPTIONS

The System property name "jdk.includeInExceptions".

Since:

3.15.0

See Also:

• jdk.includeInExceptions
• Constant Field Values

JDK_INTERNAL_HTTP_CLIENT_DISABLE_HOST_NAME_VERIFICATION

public static final String JDK_INTERNAL_HTTP_CLIENT_DISABLE_HOST_NAME_VERIFICATION

The System property name "jdk.internal.httpclient.disableHostnameVerification".

Since:

3.15.0

See Also:

• jdk.internal.httpclient.disableHostnameVerification
• Constant Field Values

JDK_IO_PERMISSIONS_USE_CANONICAL_PATH

public static final String JDK_IO_PERMISSIONS_USE_CANONICAL_PATH

The System property name "jdk.io.permissionsUseCanonicalPath".

Since:

3.15.0

See Also:

• jdk.io.permissionsUseCanonicalPath
• Constant Field Values

JDK_JNDI_LDAP_OBJECT_FACTORIES_FILTER

public static final String JDK_JNDI_LDAP_OBJECT_FACTORIES_FILTER

The System property name "jdk.jndi.ldap.object.factoriesFilter".

Since:

3.15.0

See Also:

• jdk.jndi.ldap.object.factoriesFilter
• Constant Field Values

JDK_JNDI_OBJECT_FACTORIES_FILTER

public static final String JDK_JNDI_OBJECT_FACTORIES_FILTER

The System property name "jdk.jndi.object.factoriesFilter".

Since:

3.15.0

See Also:

• jdk.jndi.object.factoriesFilter
• Constant Field Values

JDK_JNDI_RMI_OBJECT_FACTORIES_FILTER

public static final String JDK_JNDI_RMI_OBJECT_FACTORIES_FILTER

The System property name "jdk.jndi.rmi.object.factoriesFilter".

Since:

3.15.0

See Also:

• jdk.jndi.rmi.object.factoriesFilter
• Constant Field Values

JDK_MODULE_MAIN

public static final String JDK_MODULE_MAIN

The System property name "jdk.module.main".

Since:

3.15.0

See Also:

• jdk.module.main
• Constant Field Values

JDK_MODULE_MAIN_CLASS

public static final String JDK_MODULE_MAIN_CLASS

The System property name "jdk.module.main.class".

Since:

3.15.0

See Also:

• jdk.module.main.class
• Constant Field Values

JDK_MODULE_PATH

public static final String JDK_MODULE_PATH

The System property name "jdk.module.path".

Since:

3.15.0

See Also:

• jdk.module.path
• Constant Field Values

JDK_MODULE_UPGRADE_PATH

public static final String JDK_MODULE_UPGRADE_PATH

The System property name "jdk.module.upgrade.path".

Since:

3.15.0

See Also:

• jdk.module.upgrade.path
• Constant Field Values

JDK_NET_UNIX_DOMAIN_TMPDIR

public static final String JDK_NET_UNIX_DOMAIN_TMPDIR

The System property name "jdk.net.unixdomain.tmpdir".

Since:

3.15.0

See Also:

• jdk.net.unixdomain.tmpdir
• Constant Field Values

JDK_NET_URL_CLASS_PATH_SHOW_IGNORED_CLASS_PATH_ENTRIES

public static final String JDK_NET_URL_CLASS_PATH_SHOW_IGNORED_CLASS_PATH_ENTRIES

The System property name "jdk.net.URLClassPath.showIgnoredClassPathEntries".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

JDK_SERIAL_FILTER

public static final String JDK_SERIAL_FILTER

The System property name "jdk.serialFilter".

Since:

3.15.0

See Also:

• jdk.serialFilter
• Constant Field Values

JDK_SERIAL_FILTER_FACTORY

public static final String JDK_SERIAL_FILTER_FACTORY

The System property name "jdk.serialFilterFactory".

Since:

3.15.0

See Also:

• jdk.serialFilterFactory
• Constant Field Values

JDK_TLS_CLIENT_SIGNATURE_SCHEMES

public static final String JDK_TLS_CLIENT_SIGNATURE_SCHEMES

The System property name "jdk.tls.client.SignatureSchemes".

Since:

3.15.0

See Also:

• jdk.tls.client.SignatureSchemes
• Constant Field Values

JDK_TLS_NAMED_GROUPS

public static final String JDK_TLS_NAMED_GROUPS

The System property name "jdk.tls.namedGroups".

Since:

3.15.0

See Also:

• jdk.tls.namedGroups
• Constant Field Values

JDK_TLS_SERVER_SIGNATURE_SCHEMES

public static final String JDK_TLS_SERVER_SIGNATURE_SCHEMES

The System property name "jdk.tls.server.SignatureSchemes".

Since:

3.15.0

See Also:

• jdk.tls.server.SignatureSchemes
• Constant Field Values

JDK_VIRTUAL_THREAD_SCHEDULER_MAXPOOLSIZE

public static final String JDK_VIRTUAL_THREAD_SCHEDULER_MAXPOOLSIZE

The System property name "jdk.virtualThreadScheduler.maxPoolSize".

Since:

3.15.0

See Also:

• jdk.virtualThreadScheduler.maxPoolSize
• Constant Field Values

JDK_VIRTUAL_THREAD_SCHEDULER_PARALLELISM

public static final String JDK_VIRTUAL_THREAD_SCHEDULER_PARALLELISM

The System property name "jdk.virtualThreadScheduler.parallelism".

Since:

3.15.0

See Also:

• jdk.virtualThreadScheduler.parallelism
• Constant Field Values

JDK_XML_CDATA_CHUNK_SIZE

public static final String JDK_XML_CDATA_CHUNK_SIZE

The System property name "jdk.xml.cdataChunkSize".

Since:

3.15.0

See Also:

• jdk.xml.cdataChunkSize
• Constant Field Values

JDK_XML_DTD_SUPPORT

public static final String JDK_XML_DTD_SUPPORT

The System property name "jdk.xml.dtd.support".

Since:

3.15.0

See Also:

• jdk.xml.dtd.support
• Constant Field Values

JDK_XML_ELEMENT_ATTRIBUTE_LIMIT

public static final String JDK_XML_ELEMENT_ATTRIBUTE_LIMIT

The System property name "jdk.xml.elementAttributeLimit".

Since:

3.15.0

See Also:

• jdk.xml.elementAttributeLimit
• Constant Field Values

JDK_XML_ENABLE_EXTENSION_FUNCTIONS

public static final String JDK_XML_ENABLE_EXTENSION_FUNCTIONS

The System property name "jdk.xml.enableExtensionFunctions".

Since:

3.15.0

See Also:

• jdk.xml.enableExtensionFunctions
• Constant Field Values

JDK_XML_ENTITY_EXPANSION_LIMIT

public static final String JDK_XML_ENTITY_EXPANSION_LIMIT

The System property name "jdk.xml.entityExpansionLimit".

Since:

3.15.0

See Also:

• jdk.xml.entityExpansionLimit
• Constant Field Values

JDK_XML_ENTITY_REPLACEMENT_LIMIT

public static final String JDK_XML_ENTITY_REPLACEMENT_LIMIT

The System property name "jdk.xml.entityReplacementLimi_t".

Since:

3.15.0

See Also:

• jdk.xml.entityReplacementLimi_t
• Constant Field Values

JDK_XML_IS_STANDALONE

public static final String JDK_XML_IS_STANDALONE

The System property name "jdk.xml.isStandalone".

Since:

3.15.0

See Also:

• jdk.xml.isStandalone
• Constant Field Values

JDK_XML_JDK_CATALOG_RESOLVE

public static final String JDK_XML_JDK_CATALOG_RESOLVE

The System property name "jdk.xml.jdkcatalog.resolve".

Since:

3.15.0

See Also:

• jdk.xml.jdkcatalog.resolve
• Constant Field Values

JDK_XML_MAX_ELEMENT_DEPTH

public static final String JDK_XML_MAX_ELEMENT_DEPTH

The System property name "jdk.xml.maxElementDepth".

Since:

3.15.0

See Also:

• jdk.xml.maxElementDepth
• Constant Field Values

JDK_XML_MAX_GENERAL_ENTITY_SIZE_LIMIT

public static final String JDK_XML_MAX_GENERAL_ENTITY_SIZE_LIMIT

The System property name "jdk.xml.maxGeneralEntitySizeLimit".

Since:

3.15.0

See Also:

• jdk.xml.maxGeneralEntitySizeLimit
• Constant Field Values

JDK_XML_MAX_OCCUR_LIMIT

public static final String JDK_XML_MAX_OCCUR_LIMIT

The System property name "jdk.xml.maxOccurLimit".

Since:

3.15.0

See Also:

• jdk.xml.maxOccurLimit
• Constant Field Values

JDK_XML_MAX_PARAMETER_ENTITY_SIZE_LIMIT

public static final String JDK_XML_MAX_PARAMETER_ENTITY_SIZE_LIMIT

The System property name "jdk.xml.maxParameterEntitySizeLimit".

Since:

3.15.0

See Also:

• jdk.xml.maxParameterEntitySizeLimit
• Constant Field Values

JDK_XML_MAX_XML_NAME_LIMIT

public static final String JDK_XML_MAX_XML_NAME_LIMIT

The System property name "jdk.xml.maxXMLNameLimit".

Since:

3.15.0

See Also:

• jdk.xml.maxXMLNameLimit
• Constant Field Values

JDK_XML_OVERRIDE_DEFAULT_PARSER

public static final String JDK_XML_OVERRIDE_DEFAULT_PARSER

The System property name "jdk.xml.overrideDefaultParser".

Since:

3.15.0

See Also:

• jdk.xml.overrideDefaultParser
• Constant Field Values

JDK_XML_RESET_SYMBOL_TABLE

public static final String JDK_XML_RESET_SYMBOL_TABLE

The System property name "jdk.xml.resetSymbolTable".

Since:

3.15.0

See Also:

• jdk.xml.resetSymbolTable
• Constant Field Values

JDK_XML_TOTAL_ENTITY_SIZE_LIMIT

public static final String JDK_XML_TOTAL_ENTITY_SIZE_LIMIT

The System property name "jdk.xml.totalEntitySizeLimit".

Since:

3.15.0

See Also:

• jdk.xml.totalEntitySizeLimit
• Constant Field Values

JDK_XML_XSLTC_IS_STANDALONE

public static final String JDK_XML_XSLTC_IS_STANDALONE

The System property name "jdk.xml.xsltcIsStandalone".

Since:

3.15.0

See Also:

• jdk.xml.xsltcIsStandalone
• Constant Field Values

LINE_SEPARATOR

public static final String LINE_SEPARATOR

The System property name "line.separator".

See Also:

• Constant Field Values

NATIVE_ENCODING

public static final String NATIVE_ENCODING

The System property name "native.encoding".

Since:

3.15.0

See Also:

• native.encoding
• Constant Field Values

NETWORK_ADDRESS_CACHE_NEGATIVE_TTL

public static final String NETWORK_ADDRESS_CACHE_NEGATIVE_TTL

The System property name "networkaddress.cache.negative.ttl".

Since:

3.15.0

See Also:

• networkaddress.cache.negative.ttl
• Constant Field Values

NETWORK_ADDRESS_CACHE_STALE_TTL

public static final String NETWORK_ADDRESS_CACHE_STALE_TTL

The System property name "networkaddress.cache.stale.ttl".

Since:

3.15.0

See Also:

• networkaddress.cache.stale.ttl
• Constant Field Values

NETWORK_ADDRESS_CACHE_TTL

public static final String NETWORK_ADDRESS_CACHE_TTL

The System property name "networkaddress.cache.ttl".

Since:

3.15.0

See Also:

• networkaddress.cache.ttl
• Constant Field Values

ORG_JCP_XML_DSIG_SECURE_VALIDATION

public static final String ORG_JCP_XML_DSIG_SECURE_VALIDATION

The System property name "org.jcp.xml.dsig.securevalidation".

Since:

3.15.0

See Also:

• org.jcp.xml.dsig.securevalidation
• Constant Field Values

ORG_OPENJDK_JAVA_UTIL_STREAM_TRIPWIRE

public static final String ORG_OPENJDK_JAVA_UTIL_STREAM_TRIPWIRE

The System property name "org.openjdk.java.util.stream.tripwire".

Since:

3.15.0

See Also:

• org.openjdk.java.util.stream.tripwire
• Constant Field Values

OS_ARCH

public static final String OS_ARCH

The System property name "os.arch".

See Also:

• Constant Field Values

OS_NAME

public static final String OS_NAME

The System property name "os.name".

See Also:

• Constant Field Values

OS_VERSION

public static final String OS_VERSION

The System property name "os.version".

See Also:

• Constant Field Values

PATH_SEPARATOR

public static final String PATH_SEPARATOR

The System property name "path.separator".

See Also:

• Constant Field Values

SOCKS_PROXY_HOST

public static final String SOCKS_PROXY_HOST

The System property name "socksProxyHost".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

SOCKS_PROXY_PORT

public static final String SOCKS_PROXY_PORT

The System property name "socksProxyPort".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

SOCKS_PROXY_VERSION

public static final String SOCKS_PROXY_VERSION

The System property name "socksProxyVersion".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

STDERR_ENCODING

public static final String STDERR_ENCODING

The System property name "stderr.encoding".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

STDOUT_ENCODING

public static final String STDOUT_ENCODING

The System property name "stdout.encoding".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_DRAIN_AMOUNT

public static final String SUN_NET_HTTP_SERVER_DRAIN_AMOUNT

The System property name "sun.net.httpserver.drainAmount".

Since:

3.15.0

See Also:

• sun.net.httpserver.drainAmount
• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_IDLE_INTERVAL

public static final String SUN_NET_HTTP_SERVER_IDLE_INTERVAL

The System property name "sun.net.httpserver.idleInterval".

Since:

3.15.0

See Also:

• sun.net.httpserver.idleInterval
• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_MAX_IDLE_CONNECTIONS

public static final String SUN_NET_HTTP_SERVER_MAX_IDLE_CONNECTIONS

The System property name "sun.net.httpserver.maxIdleConnections".

Since:

3.15.0

See Also:

• sun.net.httpserver.maxIdleConnections
• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_MAX_REQ_HEADERS

public static final String SUN_NET_HTTP_SERVER_MAX_REQ_HEADERS

The System property name "sun.net.httpserver.maxReqHeaders".

Since:

3.15.0

See Also:

• sun.net.httpserver.maxReqHeaders
• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_MAX_REQ_TIME

public static final String SUN_NET_HTTP_SERVER_MAX_REQ_TIME

The System property name "sun.net.httpserver.maxReqTime".

Since:

3.15.0

See Also:

• sun.net.httpserver.maxReqTime
• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_MAX_RSP_TIME

public static final String SUN_NET_HTTP_SERVER_MAX_RSP_TIME

The System property name "sun.net.httpserver.maxRspTime".

Since:

3.15.0

See Also:

• sun.net.httpserver.maxRspTime
• System Properties
• Constant Field Values

SUN_NET_HTTP_SERVER_NO_DELAY

public static final String SUN_NET_HTTP_SERVER_NO_DELAY

The System property name "sun.net.httpserver.nodelay".

Since:

3.15.0

See Also:

• sun.net.httpserver.nodelay
• System Properties
• Constant Field Values

SUN_SECURITY_KRB5_PRINCIPAL

public static final String SUN_SECURITY_KRB5_PRINCIPAL

The System property name "sun.security.krb5.principal".

Since:

3.15.0

See Also:

• sun.security.krb5.principal
• System Properties
• Constant Field Values

USER_COUNTRY

public static final String USER_COUNTRY

The System property name "user.country".

See Also:

• Constant Field Values

USER_DIR

public static final String USER_DIR

The System property name "user.dir".

See Also:

• Constant Field Values

USER_EXTENSIONS

public static final String USER_EXTENSIONS

The System property name "user.extensions".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

USER_HOME

public static final String USER_HOME

The System property name "user.home".

See Also:

• Constant Field Values

USER_LANGUAGE

public static final String USER_LANGUAGE

The System property name "user.language".

See Also:

• Constant Field Values

USER_NAME

public static final String USER_NAME

The System property name "user.name".

See Also:

• Constant Field Values

USER_REGION

public static final String USER_REGION

The System property name "user.region".

See Also:

• Constant Field Values

USER_SCRIPT

public static final String USER_SCRIPT

The System property name "user.script".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

USER_TIMEZONE

public static final String USER_TIMEZONE

The System property name "user.timezone".

See Also:

• Constant Field Values

USER_VARIANT

public static final String USER_VARIANT

The System property name "user.variant".

Since:

3.15.0

See Also:

• System Properties
• Constant Field Values

Constructor Details

SystemProperties

@Deprecated
public SystemProperties()

Deprecated.

TODO Make private in 4.0.

Make private in 4.0.

Method Details

getAppleAwtEnableTemplateImages

public static String getAppleAwtEnableTemplateImages()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getAwtToolkit

@Deprecated
public static String getAwtToolkit()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties
• AWT_TOOLKIT

getBoolean

public static boolean getBoolean(Class<?> clazz,
 String key,
 BooleanSupplier defaultIfAbsent)

Gets the current value for the property named "SimpleClassName.Key" as a boolean.

If a SecurityException is caught, the return value is null.

Parameters:

clazz - The Class to use for the SimpleClassName.

key - The subkey.

defaultIfAbsent - The default value.

Returns:

an int or defaultIfAbsent.

Since:

3.19.0

See Also:

• Class.getSimpleName()

getBoolean

public static boolean getBoolean(String key,
 BooleanSupplier defaultIfAbsent)

Gets the current value for the property named key as an boolean.

If a SecurityException is caught, the return value is null.

Parameters:

key - The key.

defaultIfAbsent - The default value.

Returns:

an boolean or defaultIfAbsent.

getComSunJndiLdapObjectTrustSerialData

public static String getComSunJndiLdapObjectTrustSerialData()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getComSunNetHttpServerHttpServerProvider

public static String getComSunNetHttpServerHttpServerProvider()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getFileEncoding

public static String getFileEncoding()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getFileSeparator

public static String getFileSeparator()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getFtpNonProxyHost

public static String getFtpNonProxyHost()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getFtpProxyHost

public static String getFtpProxyHost()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getFtpProxyPort

public static String getFtpProxyPort()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpAgent

public static String getHttpAgent()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpAuthDigestCnonceRepeat

public static String getHttpAuthDigestCnonceRepeat()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpAuthDigestReenabledAlgorithms

public static String getHttpAuthDigestReenabledAlgorithms()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpAuthDigestValidateProxy

public static String getHttpAuthDigestValidateProxy()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpAuthDigestValidateServer

public static String getHttpAuthDigestValidateServer()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpAuthNtlmDomain

public static String getHttpAuthNtlmDomain()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpKeepAlive

public static String getHttpKeepAlive()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpKeepAliveTimeProxy

public static String getHttpKeepAliveTimeProxy()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpKeepAliveTimeServer

public static String getHttpKeepAliveTimeServer()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpMaxConnections

public static String getHttpMaxConnections()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpMaxRedirects

public static String getHttpMaxRedirects()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpNonProxyHosts

public static String getHttpNonProxyHosts()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpProxyHost

public static String getHttpProxyHost()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpProxyPort

public static String getHttpProxyPort()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpsProxyHost

public static String getHttpsProxyHost()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getHttpsProxyPort

public static String getHttpsProxyPort()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getInt

public static int getInt(Class<?> clazz,
 String key,
 IntSupplier defaultIfAbsent)

Gets the current value for the property named "SimpleClassName.Key" as an int.

If a SecurityException is caught, the return value is null.

Parameters:

clazz - The Class to use for the SimpleClassName.

key - The subkey.

defaultIfAbsent - The default value.

Returns:

an int or defaultIfAbsent.

Since:

3.19.0

See Also:

• Class.getSimpleName()

getInt

public static int getInt(String key,
 IntSupplier defaultIfAbsent)

Gets the current value for the property named key as an int.

If a SecurityException is caught, the return value is null.

Parameters:

key - The key.

defaultIfAbsent - The default value.

Returns:

an int or defaultIfAbsent.

getJavaAwtFonts

@Deprecated
public static String getJavaAwtFonts()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties
• JAVA_AWT_FONTS

getJavaAwtGraphicsenv

@Deprecated
public static String getJavaAwtGraphicsenv()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties

getJavaAwtHeadless

@Deprecated
public static String getJavaAwtHeadless()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties
• JAVA_AWT_HEADLESS

getJavaAwtPrinterjob

@Deprecated
public static String getJavaAwtPrinterjob()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties
• JAVA_AWT_PRINTERJOB

getJavaClassPath

public static String getJavaClassPath()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• java.class.path
• JAVA_CLASS_PATH

getJavaClassVersion

public static String getJavaClassVersion()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaCompiler

@Deprecated
public static String getJavaCompiler()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• JDK-8305998
• System Properties

getJavaContentHandlerPkgs

public static String getJavaContentHandlerPkgs()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaEndorsedDirs

@Deprecated
public static String getJavaEndorsedDirs()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties

getJavaExtDirs

@Deprecated
public static String getJavaExtDirs()

Deprecated.

Deprecated without replacement.

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

See Also:

• System Properties
• JAVA_EXT_DIRS

getJavaHome

public static String getJavaHome()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaIoTmpdir

public static String getJavaIoTmpdir()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaLibraryPath

public static String getJavaLibraryPath()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaLocaleProviders

public static String getJavaLocaleProviders()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Java 9 and above.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaLocaleUseOldIsoCodes

public static String getJavaLocaleUseOldIsoCodes()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNetPreferIpv4Stack

public static String getJavaNetPreferIpv4Stack()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNetPreferIpv6Addresses

public static String getJavaNetPreferIpv6Addresses()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNetSocksPassword

public static String getJavaNetSocksPassword()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNetSocksUserName

public static String getJavaNetSocksUserName()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNetUseSystemProxies

public static String getJavaNetUseSystemProxies()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNioChannelsDefaultThreadPoolInitialSize

public static String getJavaNioChannelsDefaultThreadPoolInitialSize()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNioChannelsDefaultThreadPoolThreadFactory

public static String getJavaNioChannelsDefaultThreadPoolThreadFactory()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNioChannelsSpiAsynchronousChannelProvider

public static String getJavaNioChannelsSpiAsynchronousChannelProvider()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNioChannelsSpiSelectorProvider

public static String getJavaNioChannelsSpiSelectorProvider()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaNioFileSpiDefaultFileSystemProvider

public static String getJavaNioFileSpiDefaultFileSystemProvider()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaPropertiesDate

public static String getJavaPropertiesDate()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaProtocolHandlerPkgs

public static String getJavaProtocolHandlerPkgs()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaRmiServerCodebase

public static String getJavaRmiServerCodebase()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaRmiServerHostName

public static String getJavaRmiServerHostName()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaRmiServerRandomIds

public static String getJavaRmiServerRandomIds()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaRmiServerRmiClassLoaderSpi

public static String getJavaRmiServerRmiClassLoaderSpi()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaRuntimeName

public static String getJavaRuntimeName()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaRuntimeVersion

public static String getJavaRuntimeVersion()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaSecurityAuthLoginConfig

public static String getJavaSecurityAuthLoginConfig()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaSecurityManager

public static String getJavaSecurityManager()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaSpecificationMaintenanceVersion

public static String getJavaSpecificationMaintenanceVersion()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaSpecificationName

public static String getJavaSpecificationName()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaSpecificationVendor

public static String getJavaSpecificationVendor()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaSpecificationVersion

public static String getJavaSpecificationVersion()

Gets the current value from the system properties map.

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaSpecificationVersion

public static String getJavaSpecificationVersion(String defaultValue)

Gets the current value from the system properties map for "java.specification.version".

Returns null if the property cannot be read due to a SecurityException.

Parameters:

defaultValue - get this Supplier when the property is empty or throws SecurityException.

Returns:

The system property value or defaultValue if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaSystemClassLoader

public static String getJavaSystemClassLoader()

Gets the current value from the system properties map for "java.system.class.loader".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaTimeZoneDefaultZoneRulesProvider

public static String getJavaTimeZoneDefaultZoneRulesProvider()

Gets the current value from the system properties map for "java.time.zone.DefaultZoneRulesProvider".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilConcurrentForkJoinPoolCommonExceptionHandler

public static String getJavaUtilConcurrentForkJoinPoolCommonExceptionHandler()

Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.exceptionHandler".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilConcurrentForkJoinPoolCommonMaximumSpares

public static String getJavaUtilConcurrentForkJoinPoolCommonMaximumSpares()

Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.maximumSpares".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilConcurrentForkJoinPoolCommonParallelism

public static String getJavaUtilConcurrentForkJoinPoolCommonParallelism()

Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.parallelism".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilConcurrentForkJoinPoolCommonThreadFactory

public static String getJavaUtilConcurrentForkJoinPoolCommonThreadFactory()

Gets the current value from the system properties map for "java.util.concurrent.ForkJoinPool.common.threadFactory".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilCurrencyData

public static String getJavaUtilCurrencyData()

Gets the current value from the system properties map for "java.util.currency.data".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilLoggingConfigClass

public static String getJavaUtilLoggingConfigClass()

Gets the current value from the system properties map for "java.util.logging.config.class".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilLoggingConfigFile

public static String getJavaUtilLoggingConfigFile()

Gets the current value from the system properties map for "java.util.logging.config.file".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilLoggingSimpleFormatterFormat

public static String getJavaUtilLoggingSimpleFormatterFormat()

Gets the current value from the system properties map for "java.util.logging.simpleformatter.format".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaUtilPrefsPreferencesFactory

public static String getJavaUtilPrefsPreferencesFactory()

Gets the current value from the system properties map for "java.util.prefs.PreferencesFactory".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaUtilPropertyResourceBundleEncoding

public static String getJavaUtilPropertyResourceBundleEncoding()

Gets the current value from the system properties map for "java.util.PropertyResourceBundle.encoding".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaVendor

public static String getJavaVendor()

Gets the current value from the system properties map for "java.vendor".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVendorUrl

public static String getJavaVendorUrl()

Gets the current value from the system properties map for "java.vendor.url".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVendorVersion

public static String getJavaVendorVersion()

Gets the current value from the system properties map for "java.vendor.version".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaVersion

public static String getJavaVersion()

Gets the current value from the system properties map for "java.version".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVersionDate

public static String getJavaVersionDate()

Gets the current value from the system properties map for "java.version.date".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaVmInfo

public static String getJavaVmInfo()

Gets the current value from the system properties map for "java.vm.info".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVmName

public static String getJavaVmName()

Gets the current value from the system properties map for "java.vm.name".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVmSpecificationName

public static String getJavaVmSpecificationName()

Gets the current value from the system properties map for "java.vm.specification.name".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVmSpecificationVendor

public static String getJavaVmSpecificationVendor()

Gets the current value from the system properties map for "java.vm.specification.vendor".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVmSpecificationVersion

public static String getJavaVmSpecificationVersion()

Gets the current value from the system properties map for "java.vm.specification.version".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVmVendor

public static String getJavaVmVendor()

Gets the current value from the system properties map for "java.vm.vendor".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaVmVersion

public static String getJavaVmVersion()

Gets the current value from the system properties map for "java.vm.version".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getJavaxAccessibilityAssistiveTechnologies

public static String getJavaxAccessibilityAssistiveTechnologies()

Gets the current value from the system properties map for "javax.accessibility.assistive_technologies".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaXmlConfigFile

public static String getJavaXmlConfigFile()

Gets the current value from the system properties map for "java.xml.config.file".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaxNetSslSessionCacheSize

public static String getJavaxNetSslSessionCacheSize()

Gets the current value from the system properties map for "javax.net.ssl.sessionCacheSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaxRmiSslClientEnabledCipherSuites

public static String getJavaxRmiSslClientEnabledCipherSuites()

Gets the current value from the system properties map for "javax.rmi.ssl.client.enabledCipherSuites".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaxRmiSslClientEnabledProtocols

public static String getJavaxRmiSslClientEnabledProtocols()

Gets the current value from the system properties map for "javax.rmi.ssl.client.enabledProtocols".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaxSecurityAuthUseSubjectCredsOnly

public static String getJavaxSecurityAuthUseSubjectCredsOnly()

Gets the current value from the system properties map for "javax.security.auth.useSubjectCredsOnly".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJavaxSmartCardIoTerminalFactoryDefaultType

public static String getJavaxSmartCardIoTerminalFactoryDefaultType()

Gets the current value from the system properties map for "javax.smartcardio.TerminalFactory.DefaultType".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdbcDrivers

public static String getJdbcDrivers()

Gets the current value from the system properties map for "jdbc.drivers".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpAuthProxyingDisabledSchemes

public static String getJdkHttpAuthProxyingDisabledSchemes()

Gets the current value from the system properties map for "jdk.http.auth.proxying.disabledSchemes".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpAuthTunnelingDisabledSchemes

public static String getJdkHttpAuthTunnelingDisabledSchemes()

Gets the current value from the system properties map for "jdk.http.auth.tunneling.disabledSchemes".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientAllowRestrictedHeaders

public static String getJdkHttpClientAllowRestrictedHeaders()

Gets the current value from the system properties map for "jdk.httpclient.allowRestrictedHeaders".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientAuthRetryLimit

public static String getJdkHttpClientAuthRetryLimit()

Gets the current value from the system properties map for "jdk.httpclient.auth.retrylimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientBufSize

public static String getJdkHttpClientBufSize()

Gets the current value from the system properties map for "jdk.httpclient.bufsize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientConnectionPoolSize

public static String getJdkHttpClientConnectionPoolSize()

Gets the current value from the system properties map for "jdk.httpclient.connectionPoolSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientConnectionWindowSize

public static String getJdkHttpClientConnectionWindowSize()

Gets the current value from the system properties map for "jdk.httpclient.connectionWindowSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientDisableRetryConnect

public static String getJdkHttpClientDisableRetryConnect()

Gets the current value from the system properties map for "jdk.httpclient.disableRetryConnect".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientEnableAllMethodRetry

public static String getJdkHttpClientEnableAllMethodRetry()

Gets the current value from the system properties map for "jdk.httpclient.enableAllMethodRetry".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientEnablePush

public static String getJdkHttpClientEnablePush()

Gets the current value from the system properties map for "jdk.httpclient.enablepush".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientHpackMaxHeaderTableSize

public static String getJdkHttpClientHpackMaxHeaderTableSize()

Gets the current value from the system properties map for "jdk.httpclient.hpack.maxheadertablesize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientHttpClientLog

public static String getJdkHttpClientHttpClientLog()

Gets the current value from the system properties map for "jdk.httpclient.HttpClient.log".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientKeepAliveTimeout

public static String getJdkHttpClientKeepAliveTimeout()

Gets the current value from the system properties map for "jdk.httpclient.keepalive.timeout".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientKeepAliveTimeoutH2

public static String getJdkHttpClientKeepAliveTimeoutH2()

Gets the current value from the system properties map for "jdk.httpclient.keepalive.timeout.h2".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientMaxFrameSize

public static String getJdkHttpClientMaxFrameSize()

Gets the current value from the system properties map for "jdk.httpclient.maxframesize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientMaxStreams

public static String getJdkHttpClientMaxStreams()

Gets the current value from the system properties map for "jdk.httpclient.maxstreams".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientReceiveBufferSize

public static String getJdkHttpClientReceiveBufferSize()

Gets the current value from the system properties map for "jdk.httpclient.receiveBufferSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientRedirectsRetryLimit

public static String getJdkHttpClientRedirectsRetryLimit()

Gets the current value from the system properties map for "jdk.httpclient.redirects.retrylimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientSendBufferSize

public static String getJdkHttpClientSendBufferSize()

Gets the current value from the system properties map for "jdk.httpclient.sendBufferSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientWebSocketWriteBufferSize

public static String getJdkHttpClientWebSocketWriteBufferSize()

Gets the current value from the system properties map for "jdk.httpclient.websocket.writeBufferSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpClientWindowSize

public static String getJdkHttpClientWindowSize()

Gets the current value from the system properties map for "jdk.httpclient.windowsize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpServerMaxConnections

public static String getJdkHttpServerMaxConnections()

Gets the current value from the system properties map for "jdk.httpserver.maxConnections".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkHttpsNegotiateCbt

public static String getJdkHttpsNegotiateCbt()

Gets the current value from the system properties map for "jdk.https.negotiate.cbt".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkIncludeInExceptions

public static String getJdkIncludeInExceptions()

Gets the current value from the system properties map for "jdk.includeInExceptions".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkInternalHttpClientDisableHostNameVerification

public static String getJdkInternalHttpClientDisableHostNameVerification()

Gets the current value from the system properties map for "jdk.internal.httpclient.disableHostnameVerification".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkIoPermissionsUseCanonicalPath

public static String getJdkIoPermissionsUseCanonicalPath()

Gets the current value from the system properties map for "jdk.io.permissionsUseCanonicalPath".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkJndiLdapObjectFactoriesFilter

public static String getJdkJndiLdapObjectFactoriesFilter()

Gets the current value from the system properties map for "jdk.jndi.ldap.object.factoriesFilter".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkJndiObjectFactoriesFilter

public static String getJdkJndiObjectFactoriesFilter()

Gets the current value from the system properties map for "jdk.jndi.object.factoriesFilter".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkJndiRmiObjectFactoriesFilter

public static String getJdkJndiRmiObjectFactoriesFilter()

Gets the current value from the system properties map for "jdk.jndi.rmi.object.factoriesFilter".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkModuleMain

public static String getJdkModuleMain()

Gets the current value from the system properties map for "jdk.module.main".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkModuleMainClass

public static String getJdkModuleMainClass()

Gets the current value from the system properties map for "jdk.module.main.class".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkModulePath

public static String getJdkModulePath()

Gets the current value from the system properties map for "jdk.module.path".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkModuleUpgradePath

public static String getJdkModuleUpgradePath()

Gets the current value from the system properties map for "jdk.module.upgrade.path".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkNetUnixDomainTmpDir

public static String getJdkNetUnixDomainTmpDir()

Gets the current value from the system properties map for "jdk.net.unixdomain.tmpdir".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkNetUrlClassPathShowIgnoredClassPathEntries

public static String getJdkNetUrlClassPathShowIgnoredClassPathEntries()

Gets the current value from the system properties map for "jdk.net.URLClassPath.showIgnoredClassPathEntries".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkSerialFilter

public static String getJdkSerialFilter()

Gets the current value from the system properties map for "jdk.serialFilter".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkSerialFilterFactory

public static String getJdkSerialFilterFactory()

Gets the current value from the system properties map for "jdk.serialFilterFactory".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkTlsClientSignatureSchemes

public static String getJdkTlsClientSignatureSchemes()

Gets the current value from the system properties map for "jdk.tls.client.SignatureSchemes".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkTlsNamedGroups

public static String getJdkTlsNamedGroups()

Gets the current value from the system properties map for "jdk.tls.namedGroups".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkTlsServerSignatureSchemes

public static String getJdkTlsServerSignatureSchemes()

Gets the current value from the system properties map for "jdk.tls.server.SignatureSchemes".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkVirtualThreadSchedulerMaxPoolSize

public static String getJdkVirtualThreadSchedulerMaxPoolSize()

Gets the current value from the system properties map for "jdk.virtualThreadScheduler.maxPoolSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkVirtualThreadSchedulerParallelism

public static String getJdkVirtualThreadSchedulerParallelism()

Gets the current value from the system properties map for "jdk.virtualThreadScheduler.parallelism".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlCdataChunkSize

public static String getJdkXmlCdataChunkSize()

Gets the current value from the system properties map for "jdk.xml.cdataChunkSize".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlDtdSupport

public static String getJdkXmlDtdSupport()

Gets the current value from the system properties map for "jdk.xml.dtd.support".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlElementAttributeLimit

public static String getJdkXmlElementAttributeLimit()

Gets the current value from the system properties map for "jdk.xml.elementAttributeLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlEnableExtensionFunctions

public static String getJdkXmlEnableExtensionFunctions()

Gets the current value from the system properties map for "jdk.xml.enableExtensionFunctions".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlEntityExpansionLimit

public static String getJdkXmlEntityExpansionLimit()

Gets the current value from the system properties map for "jdk.xml.entityExpansionLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlEntityReplacementLimit

public static String getJdkXmlEntityReplacementLimit()

Gets the current value from the system properties map for "jdk.xml.entityReplacementLimi_t".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlIsStandalone

public static String getJdkXmlIsStandalone()

Gets the current value from the system properties map for "jdk.xml.isStandalone".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlJdkCatalogResolve

public static String getJdkXmlJdkCatalogResolve()

Gets the current value from the system properties map for "jdk.xml.jdkcatalog.resolve".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlMaxElementDepth

public static String getJdkXmlMaxElementDepth()

Gets the current value from the system properties map for "jdk.xml.maxElementDepth".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlMaxGeneralEntitySizeLimit

public static String getJdkXmlMaxGeneralEntitySizeLimit()

Gets the current value from the system properties map for "jdk.xml.maxGeneralEntitySizeLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlMaxOccurLimit

public static String getJdkXmlMaxOccurLimit()

Gets the current value from the system properties map for "jdk.xml.maxOccurLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlMaxParameterEntitySizeLimit

public static String getJdkXmlMaxParameterEntitySizeLimit()

Gets the current value from the system properties map for "jdk.xml.maxParameterEntitySizeLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlMaxXmlNameLimit

public static String getJdkXmlMaxXmlNameLimit()

Gets the current value from the system properties map for "jdk.xml.maxXMLNameLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlOverrideDefaultParser

public static String getJdkXmlOverrideDefaultParser()

Gets the current value from the system properties map for "jdk.xml.overrideDefaultParser".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlResetSymbolTable

public static String getJdkXmlResetSymbolTable()

Gets the current value from the system properties map for "jdk.xml.resetSymbolTable".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlTotalEntitySizeLimit

public static String getJdkXmlTotalEntitySizeLimit()

Gets the current value from the system properties map for "jdk.xml.totalEntitySizeLimit".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getJdkXmlXsltcIsStandalone

public static String getJdkXmlXsltcIsStandalone()

Gets the current value from the system properties map for "jdk.xml.xsltcIsStandalone".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getLineSeparator

public static String getLineSeparator()

Gets the current value from the system properties map for "line.separator".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getLineSeparator

public static String getLineSeparator(Supplier<String> defaultIfAbsent)

Gets the current value from the system properties map for "line.separator".

Returns null if the property cannot be read due to a SecurityException.

Parameters:

defaultIfAbsent - get this Supplier when the property is empty or throws SecurityException.

Returns:

the current value from the system properties map.

Since:

3.15.0

getLong

public static long getLong(Class<?> clazz,
 String key,
 LongSupplier defaultIfAbsent)

Gets the current value for the property named "SimpleClassName.Key" as a long.

If a SecurityException is caught, the return value is null.

Parameters:

clazz - The Class to use for the SimpleClassName.

key - The subkey.

defaultIfAbsent - The default value.

Returns:

a long or defaultIfAbsent.

Since:

3.19.0

See Also:

• Class.getSimpleName()

getLong

public static long getLong(String key,
 LongSupplier defaultIfAbsent)

Gets the current value for the property named key as a long.

If a SecurityException is caught, the return value is null.

Parameters:

key - The key.

defaultIfAbsent - The default value.

Returns:

a long or defaultIfAbsent.

getNativeEncoding

public static String getNativeEncoding()

Gets the current value from the system properties map for "native.encoding".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getNetworkAddressCacheNegativeTtl

public static String getNetworkAddressCacheNegativeTtl()

Gets the current value from the system properties map for "networkaddress.cache.negative.ttl".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getNetworkAddressCacheStaleTtl

public static String getNetworkAddressCacheStaleTtl()

Gets the current value from the system properties map for "networkaddress.cache.stale.ttl".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getNetworkAddressCacheTtl

public static String getNetworkAddressCacheTtl()

Gets the current value from the system properties map for "networkaddress.cache.ttl".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getOrgJcpXmlDsigSecureValidation

public static String getOrgJcpXmlDsigSecureValidation()

Gets the current value from the system properties map for "org.jcp.xml.dsig.securevalidation".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getOrgOpenJdkJavaUtilStreamTripwire

public static String getOrgOpenJdkJavaUtilStreamTripwire()

Gets the current value from the system properties map for "org.openjdk.java.util.stream.tripwire".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getOsArch

public static String getOsArch()

Gets the current value from the system properties map for "os.arch".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getOsName

public static String getOsName()

Gets the current value from the system properties map for "os.name".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getOsVersion

public static String getOsVersion()

Gets the current value from the system properties map for "os.version".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getPathSeparator

public static String getPathSeparator()

Gets the current value from the system properties map for "path.separator".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getProperty

public static String getProperty(String property)

Gets a System property, defaulting to null if the property cannot be read.

If a SecurityException is caught, the return value is null.

Parameters:

property - The system property name.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getSocksProxyHost

public static String getSocksProxyHost()

Gets the current value from the system properties map for "socksProxyHost".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSocksProxyPort

public static String getSocksProxyPort()

Gets the current value from the system properties map for "socksProxyPort".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSocksProxyVersion

public static String getSocksProxyVersion()

Gets the current value from the system properties map for "socksProxyVersion".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getStdErrEncoding

public static String getStdErrEncoding()

Gets the current value from the system properties map for "stderr.encoding".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getStdOutEncoding

public static String getStdOutEncoding()

Gets the current value from the system properties map for "stdout.encoding".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerDrainAmount

public static String getSunNetHttpServerDrainAmount()

Gets the current value from the system properties map for "sun.net.httpserver.drainAmount".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerIdleInterval

public static String getSunNetHttpServerIdleInterval()

Gets the current value from the system properties map for "sun.net.httpserver.idleInterval".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerMaxIdleConnections

public static String getSunNetHttpServerMaxIdleConnections()

Gets the current value from the system properties map for "sun.net.httpserver.maxIdleConnections".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerMaxReqHeaders

public static String getSunNetHttpServerMaxReqHeaders()

Gets the current value from the system properties map for "sun.net.httpserver.maxReqHeaders".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerMaxReqTime

public static String getSunNetHttpServerMaxReqTime()

Gets the current value from the system properties map for "sun.net.httpserver.maxReqTime".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerMaxRspTime

public static String getSunNetHttpServerMaxRspTime()

Gets the current value from the system properties map for "sun.net.httpserver.maxRspTime".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunNetHttpServerNoDelay

public static String getSunNetHttpServerNoDelay()

Gets the current value from the system properties map for "sun.net.httpserver.nodelay".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getSunSecurityKrb5Principal

public static String getSunSecurityKrb5Principal()

Gets the current value from the system properties map for "sun.security.krb5.principal".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getUserCountry

public static String getUserCountry()

Gets the current value from the system properties map for "user.country".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getUserDir

public static String getUserDir()

Gets the current value from the system properties map for "user.dir".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getUserExtensions

public static String getUserExtensions()

Gets the current value from the system properties map for "user.extensions".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getUserHome

public static String getUserHome()

Gets the current value from the system properties map for "user.home".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getUserLanguage

public static String getUserLanguage()

Gets the current value from the system properties map for "user.language".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getUserName

public static String getUserName()

Gets the current value from the system properties map for "user.name".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getUserName

public static String getUserName(String defaultValue)

Gets the current value from the system properties map for "user.name".

Returns null if the property cannot be read due to a SecurityException.

Parameters:

defaultValue - get this Supplier when the property is empty or throws SecurityException.

Returns:

The system property value or defaultValue if the property is absent or a security problem occurs.

Since:

3.15.0

getUserRegion

public static String getUserRegion()

Gets the current value from the system properties map for "user.region".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getUserScript

public static String getUserScript()

Gets the current value from the system properties map for "user.script".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

getUserTimezone

public static String getUserTimezone()

Gets the current value from the system properties map for "user.timezone".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

getUserVariant

public static String getUserVariant()

Gets the current value from the system properties map for "user.variant".

Returns null if the property cannot be read due to a SecurityException.

Returns:

The system property value or null if the property is absent or a security problem occurs.

Since:

3.15.0

isPropertySet

public static boolean isPropertySet(String property)

Tests whether the given property is set.

Short-hand for getProperty(property) != null.

If a SecurityException is caught, the return value is false.

Parameters:

property - the system property name.

Returns:

whether the given property is set.

Since:

3.18.0