package com.zzk.coding2017.zuoye_1;
public class Queue {
ArrayList queue;
public Queue() {
// TODO Auto-generated constructor stub
queue = new ArrayList();
}
public void enQueue(Object o){
queue.add(o);
}
public Object deQueue(){
if(queue.size()==0){
return null;
}else{
Object result = queue.get(0);
queue.remove(0);
return result;
}
}
public boolean isEmpty(){
if(queue.size()==0)
return true;
else
return false;
}
public int size(){
return queue.size();
}
}