E - the type of the elements in this setpublic final class UnmodifiableSet<E> extends AbstractSerializableSetDecorator<E> implements Unmodifiable
Set to ensure it can't be altered.
This class is Serializable from Commons Collections 3.1.
Attempts to modify it will result in an UnsupportedOperationException.
| Modifier and Type | Method and Description |
|---|---|
boolean |
add(E object) |
boolean |
addAll(Collection<? extends E> coll) |
void |
clear() |
Iterator<E> |
iterator() |
boolean |
remove(Object object) |
boolean |
removeAll(Collection<?> coll) |
boolean |
retainAll(Collection<?> coll) |
static <E> Set<E> |
unmodifiableSet(Set<? extends E> set)
Factory method to create an unmodifiable set.
|
decorated, equals, hashCodecontains, containsAll, isEmpty, setCollection, size, toArray, toArray, toStringclone, finalize, getClass, notify, notifyAll, wait, wait, waitcontains, containsAll, isEmpty, size, spliterator, toArray, toArrayparallelStream, removeIf, streampublic static <E> Set<E> unmodifiableSet(Set<? extends E> set)
E - the element typeset - the set to decorate, must not be nullNullPointerException - if set is nullpublic boolean add(E object)
add in interface Collection<E>add in interface Set<E>add in class AbstractCollectionDecorator<E>public boolean addAll(Collection<? extends E> coll)
addAll in interface Collection<E>addAll in interface Set<E>addAll in class AbstractCollectionDecorator<E>public void clear()
clear in interface Collection<E>clear in interface Set<E>clear in class AbstractCollectionDecorator<E>public boolean remove(Object object)
remove in interface Collection<E>remove in interface Set<E>remove in class AbstractCollectionDecorator<E>public boolean removeAll(Collection<?> coll)
removeAll in interface Collection<E>removeAll in interface Set<E>removeAll in class AbstractCollectionDecorator<E>public boolean retainAll(Collection<?> coll)
retainAll in interface Collection<E>retainAll in interface Set<E>retainAll in class AbstractCollectionDecorator<E>Copyright © 2001–2018 The Apache Software Foundation. All rights reserved.