package fauxExchange;

import java.util.*;

public class Queue {
	Vector elem = new Vector();	
	
	public synchronized void enqueue (Object o){
		elem.add(o);
	}
	
	public synchronized Object dequeue (){
		Object o = elem.firstElement();
		elem.remove(o);
		
		return o;
	}
	
	public boolean isEmpty (){
		return elem.isEmpty();
	}
}