Uses of Interface
java.util.Collection

Packages that use Collection

Package	Description
java.util

Uses of Collection in java.util

Subinterfaces of Collection in java.util

Modifier and Type	Interface and Description
interface	List<E> An ordered collection (also known as a sequence).
interface	Set<E> A collection that contains no duplicate elements.

Methods in java.util that return Collection

Modifier and Type	Method and Description
Collection<V>	Map.values() Returns a Collection view of the values contained in this map.

Methods in java.util with parameters of type Collection

Modifier and Type	Method and Description
boolean	Set.addAll(Collection<? extends E> c) Adds all of the elements in the specified collection to this set if they're not already present (optional operation).
boolean	List.addAll(Collection<? extends E> c) Appends all of the elements in the specified collection to the end of this list, in the order that they are returned by the specified collection's iterator (optional operation).
boolean	Collection.addAll(Collection<? extends E> c) Adds all of the elements in the specified collection to this collection (optional operation).
boolean	List.addAll(int index, Collection<? extends E> c) Inserts all of the elements in the specified collection into this list at the specified position (optional operation).
boolean	Set.containsAll(Collection<?> c) Returns true if this set contains all of the elements of the specified collection.
boolean	List.containsAll(Collection<?> c) Returns true if this list contains all of the elements of the specified collection.
boolean	Collection.containsAll(Collection<?> c) Returns true if this collection contains all of the elements in the specified collection.
boolean	Set.removeAll(Collection<?> c) Removes from this set all of its elements that are contained in the specified collection (optional operation).
boolean	List.removeAll(Collection<?> c) Removes from this list all of its elements that are contained in the specified collection (optional operation).
boolean	Collection.removeAll(Collection<?> c) Removes all of this collection's elements that are also contained in the specified collection (optional operation).
boolean	Set.retainAll(Collection<?> c) Retains only the elements in this set that are contained in the specified collection (optional operation).
boolean	List.retainAll(Collection<?> c) Retains only the elements in this list that are contained in the specified collection (optional operation).
boolean	Collection.retainAll(Collection<?> c) Retains only the elements in this collection that are contained in the specified collection (optional operation).