ninja.activeproxy.path.pxset
Class Queue

java.lang.Object
  |
  +--ninja.activeproxy.path.pxset.Queue

public class Queue

extends java.lang.Object

Field Summary

private int	head
private java.util.Vector	queue
private int	tail

Constructor Summary

Queue()
Constructor: Creates an empty queue

Method Summary

int	dequeue() Dequeue an item
void	enqueue(int temp) Enqueue an item
int	head() Return item at head of queue
boolean	isEmpty() Check if queue is empty

Methods inherited from class java.lang.Object

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

Field Detail

queue

private java.util.Vector queue

head

private int head

tail

private int tail

Constructor Detail

Queue

public Queue()

Constructor: Creates an empty queue

Method Detail

enqueue

public void enqueue(int temp)

Enqueue an item

Parameters:

temp - value to be enqueued

dequeue

public int dequeue()
            throws EmptyQueueException

Dequeue an item

Returns:

value of element dequeued

isEmpty

public boolean isEmpty()

Check if queue is empty

Returns:

true/false

head

public int head()
         throws EmptyQueueException

Return item at head of queue

Returns:

item at head