Queue.java

package com.coding.basic;

public class Queue {
	private LinkedList linkedList=new LinkedList();
	
	public void enQueue(Object o){	
		linkedList.addLast(o);
	}
	
	public Object deQueue(){
		return linkedList.removeFirst();
	}
	
	public boolean isEmpty(){
		if(linkedList.size()>0){
			return false;
		}
		return true;
	}
	
	public int size(){
		return linkedList.size();
	}
}