Deque

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Class Deque

java.lang.Object
  |
  +--Queue
        |
        +--Deque

Direct Known Subclasses:: Meque

public class Deque
extends Queue

The Deque class is an extension of the Queue class It adds methods which allow both enqueueing and dequeueing from either end of the queue, and has methods to "peek" at the ends of the queue without removing them

Field Summary

Fields inherited from class Queue

back, front

Constructor Summary

Deque()
          Methods inherited from Queue: boolean isEmpty() String toStrin()

Method Summary

java.lang.Object dequeue()


static java.lang.Object dequeue(Deque D)


java.lang.Object dequeueBack()


static java.lang.Object dequeueBack(Deque D)


void enqueue(java.lang.Object o)


static void enqueue(java.lang.Object o, Deque D)


void enqueueFront(java.lang.Object o)


static void enqueueFront(java.lang.Object o, Deque D)


static void main(java.lang.String[] arg)


java.lang.Object peekBack()
          This method returns the object stored at the back of the Deque without removing it

java.lang.Object peekFront()
          This method returns the object stored at the front of the Deque without removing it

Methods inherited from class Queue

dequeue, enqueue, isEmpty, isEmpty, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Deque

public Deque()

Methods inherited from Queue: boolean isEmpty() String toStrin()

Method Detail

peekFront

public java.lang.Object peekFront()

This method returns the object stored at the front of the Deque without removing it

peekBack

public java.lang.Object peekBack()

This method returns the object stored at the back of the Deque without removing it

enqueue

public void enqueue(java.lang.Object o)

Overrides:: enqueue in class Queue