Queue.java

package com.coding.basic;

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