java.util

Interface Collection<E>

Type Parameters:

E - element type

All Superinterfaces:

Iterable<E>

All Known Subinterfaces:

Deque<E>, List<E>, NavigableSet<E>, Queue<E>, Set<E>, SortedSet<E>

All Known Implementing Classes:

AbstractCollection, AbstractList, AbstractQueue, AbstractSequentialList, AbstractSet, ArrayList, ArtifactSet, ChangeListenerCollection, ClickListenerCollection, DelegatingChangeListenerCollection, DelegatingClickListenerCollection, DelegatingFocusListenerCollection, DelegatingKeyboardListenerCollection, EnumSet, FocusListenerCollection, FormHandlerCollection, HashSet, HashSet, IdentityHashSet, KeyboardListenerCollection, LinkedHashSet, LinkedList, LoadListenerCollection, MouseListenerCollection, MouseWheelListenerCollection, PopupListenerCollection, PriorityQueue, ScrollListenerCollection, Stack, TableListenerCollection, TabListenerCollection, TreeListenerCollection, TreeSet, Vector

public interface Collection<E>
extends Iterable<E>

General-purpose interface for storing collections of objects. [Sun docs]

Method Summary

Modifier and Type	Method and Description
boolean	add(E o)
boolean	addAll(Collection<? extends E> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	equals(Object o)
int	hashCode()
boolean	isEmpty()
Iterator<E>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<T> T[]	toArray(T[] a)

Method Detail

add

boolean add(E o)

addAll

boolean addAll(Collection<? extends E> c)

clear

void clear()

contains

boolean contains(Object o)

containsAll

boolean containsAll(Collection<?> c)

equals

boolean equals(Object o)

Overrides:

equals in class Object

hashCode

int hashCode()

Overrides:

hashCode in class Object

isEmpty

boolean isEmpty()

iterator

Iterator<E> iterator()

Specified by:

iterator in interface Iterable<E>

remove

boolean remove(Object o)

removeAll

boolean removeAll(Collection<?> c)

retainAll

boolean retainAll(Collection<?> c)

size

int size()

toArray

Object[] toArray()

toArray

<T> T[] toArray(T[] a)