Top Description Classes

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Package org.apache.commons.collections4.collection

This package contains implementations of the Collection interface.

The following implementations are provided in the package:

CompositeCollection - a collection that combines multiple collections into one

The following decorators are provided in the package:

Synchronized - synchronizes method access for multi-threaded environments
Unmodifiable - ensures the collection cannot be altered
Predicated - ensures that only elements that are valid according to a predicate can be added
Transformed - transforms elements as they are added
Indexed - provides a map-like view onto another collection

Class Summary

Modifier and Type	Class and Description
public abstract class	AbstractCollectionDecorator< the type of the elements in the collection E> Decorates another `Collection` to provide additional behaviour.
public class	CompositeCollection< the type of the elements in the collection E> Decorates a collection of other collections to provide a single unified view.
public class	IndexedCollection< the type of object in the index. K, the type of object in the collection. C> An IndexedCollection is a Map-like view onto a Collection.
public class	PredicatedCollection< the type of the elements in the collection E> Decorates another `Collection` to validate that additions match a specified predicate.
public class	SynchronizedCollection< the type of the elements in the collection E> Decorates another `Collection` to synchronize its behaviour for a multi-threaded environment.
public class	TransformedCollection< the type of the elements in the collection E> Decorates another `Collection` to transform objects that are added.
public class	UnmodifiableBoundedCollection< the type of elements in this collection E> `UnmodifiableBoundedCollection` decorates another `BoundedCollection` to ensure it can't be altered.
public class	UnmodifiableCollection< the type of the elements in the collection E> Decorates another `Collection` to ensure it can't be altered.