org.apache.commons.collections.collection
public final class UnmodifiableCollection extends AbstractSerializableCollectionDecorator implements Unmodifiable
Collection
to ensure it can't be altered.
This class is Serializable from Commons Collections 3.1.
Since: Commons Collections 3.0
Version: $Revision: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $
Method Summary | |
---|---|
boolean | add(Object object) |
boolean | addAll(Collection coll) |
void | clear() |
static Collection | decorate(Collection coll)
Factory method to create an unmodifiable collection.
|
Iterator | iterator() |
boolean | remove(Object object) |
boolean | removeAll(Collection coll) |
boolean | retainAll(Collection coll) |
If the collection passed in is already unmodifiable, it is returned.
Parameters: coll the collection to decorate, must not be null
Returns: an unmodifiable collection
Throws: IllegalArgumentException if collection is null