java.util

Interface Deque<E>

Type Parameters:

E - element type.

All Superinterfaces:

Collection<E>, Iterable<E>, Queue<E>

All Known Implementing Classes:

ArrayDeque, LinkedList

public interface Deque<E>
extends Queue<E>

A collection designed for holding elements prior to processing. Deque

Method Summary

Modifier and Type	Method and Description
void	addFirst(E e)
void	addLast(E e)
Iterator<E>	descendingIterator()
E	getFirst()
E	getLast()
boolean	offerFirst(E e)
boolean	offerLast(E e)
E	peekFirst()
E	peekLast()
E	pollFirst()
E	pollLast()
E	pop()
void	push(E e)
E	removeFirst()
boolean	removeFirstOccurrence(Object o)
E	removeLast()
boolean	removeLastOccurrence(Object o)

Methods inherited from interface java.util.Queue

element, offer, peek, poll, remove

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, isEmpty, parallelStream, remove, removeAll, removeIf, retainAll, size, spliterator, stream, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach, iterator

Method Detail

addFirst

void addFirst(E e)

addLast

void addLast(E e)

descendingIterator

Iterator<E> descendingIterator()

getFirst

E getFirst()

getLast

E getLast()

offerFirst

boolean offerFirst(E e)

offerLast

boolean offerLast(E e)

peekFirst

E peekFirst()

peekLast

E peekLast()

pollFirst

E pollFirst()

pollLast

E pollLast()

pop

E pop()

push

void push(E e)

removeFirst

E removeFirst()

removeFirstOccurrence

boolean removeFirstOccurrence(Object o)

removeLast

E removeLast()

removeLastOccurrence

boolean removeLastOccurrence(Object o)