public class MutableInt extends Number implements Comparable<MutableInt>, Mutable<Number>
int
wrapper.
Note that as MutableInt does not extend Integer, it is not treated by String.format as an Integer parameter.
Integer
,
Serialized FormConstructor and Description |
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MutableInt()
Constructs a new MutableInt with the default value of zero.
|
MutableInt(int value)
Constructs a new MutableInt with the specified value.
|
MutableInt(Number value)
Constructs a new MutableInt with the specified value.
|
MutableInt(String value)
Constructs a new MutableInt parsing the given string.
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Modifier and Type | Method and Description |
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void |
add(int operand)
Adds a value to the value of this instance.
|
void |
add(Number operand)
Adds a value to the value of this instance.
|
int |
compareTo(MutableInt other)
Compares this mutable to another in ascending order.
|
void |
decrement()
Decrements the value.
|
double |
doubleValue()
Returns the value of this MutableInt as a double.
|
boolean |
equals(Object obj)
Compares this object to the specified object.
|
float |
floatValue()
Returns the value of this MutableInt as a float.
|
Integer |
getValue()
Gets the value as a Integer instance.
|
int |
hashCode()
Returns a suitable hash code for this mutable.
|
void |
increment()
Increments the value.
|
int |
intValue()
Returns the value of this MutableInt as an int.
|
long |
longValue()
Returns the value of this MutableInt as a long.
|
void |
setValue(int value)
Sets the value.
|
void |
setValue(Number value)
Sets the value from any Number instance.
|
void |
subtract(int operand)
Subtracts a value from the value of this instance.
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void |
subtract(Number operand)
Subtracts a value from the value of this instance.
|
Integer |
toInteger()
Gets this mutable as an instance of Integer.
|
String |
toString()
Returns the String value of this mutable.
|
byteValue, shortValue
public MutableInt()
public MutableInt(int value)
value
- the initial value to storepublic MutableInt(Number value)
value
- the initial value to store, not nullNullPointerException
- if the object is nullpublic MutableInt(String value) throws NumberFormatException
value
- the string to parse, not nullNumberFormatException
- if the string cannot be parsed into an intpublic void setValue(int value)
value
- the value to setpublic void setValue(Number value)
setValue
in interface Mutable<Number>
value
- the value to set, not nullNullPointerException
- if the object is nullpublic void increment()
public void decrement()
public void add(int operand)
operand
- the value to add, not nullpublic void add(Number operand)
operand
- the value to add, not nullNullPointerException
- if the object is nullpublic void subtract(int operand)
operand
- the value to subtract, not nullpublic void subtract(Number operand)
operand
- the value to subtract, not nullNullPointerException
- if the object is nullpublic int intValue()
public long longValue()
public float floatValue()
floatValue
in class Number
public double doubleValue()
doubleValue
in class Number
public Integer toInteger()
public boolean equals(Object obj)
true
if and only if the argument is
not null
and is a MutableInt
object that contains the same int
value
as this object.public int hashCode()
public int compareTo(MutableInt other)
compareTo
in interface Comparable<MutableInt>
other
- the other mutable to compare to, not nullCopyright © 2001–2014 The Apache Software Foundation. All rights reserved.