Class UnmodifiableList<E>
java.lang.Object
org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
org.apache.commons.collections4.list.AbstractListDecorator<E>
org.apache.commons.collections4.list.AbstractSerializableListDecorator<E>
org.apache.commons.collections4.list.UnmodifiableList<E>
- Type Parameters:
- E- the type of the elements in the list.
- All Implemented Interfaces:
- Serializable,- Iterable<E>,- Collection<E>,- List<E>,- Unmodifiable
public final class UnmodifiableList<E>
extends AbstractSerializableListDecorator<E>
implements Unmodifiable
Decorates another 
List 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.
- Since:
- 3.0
- See Also:
- 
Constructor SummaryConstructorsConstructorDescriptionUnmodifiableList(List<? extends E> list) Constructor that wraps (not copies).
- 
Method SummaryModifier and TypeMethodDescriptionvoidbooleanbooleanaddAll(int index, Collection<? extends E> coll) booleanaddAll(Collection<? extends E> coll) voidclear()iterator()listIterator(int index) remove(int index) booleanbooleanremoveAll(Collection<?> coll) booleanbooleanretainAll(Collection<?> coll) subList(int fromIndex, int toIndex) static <E> List<E> unmodifiableList(List<? extends E> list) Factory method to create an unmodifiable list.Methods inherited from class org.apache.commons.collections4.list.AbstractListDecoratordecorated, equals, get, hashCode, indexOf, lastIndexOfMethods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecoratorcontains, containsAll, isEmpty, setCollection, size, toArray, toArray, toStringMethods inherited from class java.lang.Objectclone, finalize, getClass, notify, notifyAll, wait, wait, waitMethods inherited from interface java.util.CollectionparallelStream, streamMethods inherited from interface java.util.Listcontains, containsAll, isEmpty, replaceAll, size, sort, spliterator, toArray, toArray
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Constructor Details- 
UnmodifiableListConstructor that wraps (not copies).- Parameters:
- list- the list to decorate, must not be null
- Throws:
- NullPointerException- if list is null
 
 
- 
- 
Method Details- 
unmodifiableListFactory method to create an unmodifiable list.- Type Parameters:
- E- the type of the elements in the list
- Parameters:
- list- the list to decorate, must not be null
- Returns:
- a new unmodifiable list
- Throws:
- NullPointerException- if list is null
- Since:
- 4.0
 
- 
add
- 
add
- 
addAll- Specified by:
- addAllin interface- Collection<E>
- Specified by:
- addAllin interface- List<E>
- Overrides:
- addAllin class- AbstractCollectionDecorator<E>
 
- 
addAll
- 
clear- Specified by:
- clearin interface- Collection<E>
- Specified by:
- clearin interface- List<E>
- Overrides:
- clearin class- AbstractCollectionDecorator<E>
 
- 
iterator
- 
listIterator- Specified by:
- listIteratorin interface- List<E>
- Overrides:
- listIteratorin class- AbstractListDecorator<E>
 
- 
listIterator- Specified by:
- listIteratorin interface- List<E>
- Overrides:
- listIteratorin class- AbstractListDecorator<E>
 
- 
remove
- 
remove
- 
removeAll- Specified by:
- removeAllin interface- Collection<E>
- Specified by:
- removeAllin interface- List<E>
- Overrides:
- removeAllin class- AbstractCollectionDecorator<E>
 
- 
removeIf- Specified by:
- removeIfin interface- Collection<E>
- Overrides:
- removeIfin class- AbstractCollectionDecorator<E>
- Since:
- 4.4
 
- 
retainAll- Specified by:
- retainAllin interface- Collection<E>
- Specified by:
- retainAllin interface- List<E>
- Overrides:
- retainAllin class- AbstractCollectionDecorator<E>
 
- 
set
- 
subList
 
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