package week1_0306;
public class Queue {
private LinkedList queue = new LinkedList();
public void enQueue(Object o)//������
{
queue.addFirst(o);
}
public Object deQueue()//������
{
return queue.removeLast();
}
public boolean isEmpty()
{
if(queue.get(0)==null)
return true;
else return false;
}
public int size()
{
return queue.size();
}
public Queue() {
// TODO Auto-generated constructor stub
}
}