# Uses of Class
org.apache.commons.collections4.set.CompositeSet

Packages that use CompositeSet
Package
Description
org.apache.commons.collections4.set
Implements the `Set`, `SortedSet` and `NavigableSet` interfaces.

- ## Uses of CompositeSet in org.apache.commons.collections4.set

  Methods in org.apache.commons.collections4.set with parameters of type CompositeSet
  Modifier and Type
  Method
  Description
  `boolean`
  CompositeSet.SetMutator.`add(CompositeSet<E> composite, List<Set<E>> sets, E obj)`
  Called when an object is to be added to the composite.
  `boolean`
  CompositeSet.SetMutator.`addAll(CompositeSet<E> composite, List<Set<E>> sets, Collection<? extends E> coll)`
  Called when a collection is to be added to the composite.
  `void`
  CompositeSet.SetMutator.`resolveCollision(CompositeSet<E> comp, Set<E> existing, Set<E> added, Collection<E> intersects)`
  Called when a Set is added to the CompositeSet and there is a collision between existing and added sets.