E - the type of the elements in the collectionpublic final class UnmodifiableCollection<E> extends AbstractCollectionDecorator<E> implements Unmodifiable
Collection 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.
collection| 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 <T> Collection<T> |
unmodifiableCollection(Collection<T> coll)
Factory method to create an unmodifiable collection.
|
public static <T> Collection<T> unmodifiableCollection(Collection<T> coll)
If the collection passed in is already unmodifiable, it is returned.
T - the type of the elements in the collectioncoll - the collection to decorate, must not be nullIllegalArgumentException - if collection is nullpublic Iterator<E> iterator()
iterator in interface Iterable<E>iterator in interface Collection<E>iterator in class AbstractCollectionDecorator<E>public boolean add(E object)
add in interface Collection<E>add in class AbstractCollectionDecorator<E>public boolean addAll(Collection<? extends E> coll)
addAll in interface Collection<E>addAll in class AbstractCollectionDecorator<E>public void clear()
clear in interface Collection<E>clear in class AbstractCollectionDecorator<E>public boolean remove(Object object)
remove in interface Collection<E>remove in class AbstractCollectionDecorator<E>public boolean removeAll(Collection<?> coll)
removeAll in interface Collection<E>removeAll in class AbstractCollectionDecorator<E>public boolean retainAll(Collection<?> coll)
retainAll in interface Collection<E>retainAll in class AbstractCollectionDecorator<E>Copyright © 2001-2013 The Apache Software Foundation. All Rights Reserved.