Queue.java

package com.coding.basic;

public class Queue {
	
	private LinkedList elementData;
	
	public void enQueue(Object o){
		elementData.add(o);
	}
	
	public Object deQueue(){
		return null;
	}
	
	public boolean isEmpty(){
		return false;
	}
	
	public int size(){
		return -1;
	}
}