# Uses of Class
org.apache.commons.collections4.collection.CompositeCollection

Packages that use CompositeCollection
Package
Description
org.apache.commons.collections4.collection
Implementations of the `Collection` interface.

- ## Uses of CompositeCollection in org.apache.commons.collections4.collection

  Methods in org.apache.commons.collections4.collection with parameters of type CompositeCollection
  Modifier and Type
  Method
  Description
  `boolean`
  CompositeCollection.CollectionMutator.`add(CompositeCollection<E> composite, List<Collection<E>> collections, E obj)`
  Called when an object is to be added to the composite.
  `boolean`
  CompositeCollection.CollectionMutator.`addAll(CompositeCollection<E> composite, List<Collection<E>> collections, Collection<? extends E> coll)`
  Called when a collection is to be added to the composite.
  `boolean`
  CompositeCollection.CollectionMutator.`remove(CompositeCollection<E> composite, List<Collection<E>> collections, Object obj)`
  Called when an object is to be removed to the composite.