/**
* Created by peter on 2017/2/23.
*/
public class Queue {
private LinkedList linkedList = new LinkedList();
//进队列
public void enQueue(Object o){
linkedList.add(o);
}
//出队列
public Object deQueue(){
return linkedList.removeFirst();
}
//是否为空
public boolean isEmpty(){
return linkedList.size()==0;
}
//队列内元素
public int size(){
return linkedList.size();
}
}