Queue.java

package com.basic;

public class Queue
{
	private LinkedList list = new LinkedList();

	public void enQueue(Object o) {
		list.addLast(o);
	}

	public Object deQueue() {
		return list.removeFirst();
	}

	public boolean isEmpty() {
		return (list.size() == 0);
	}

	public int size() {
		return list.size();
	}
}