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package com.hp.zuoye
public class chepaio implements Runnable {
//总票数
public static int count=100;
//定义一个静态对象
public static Object object=new Object();
@Override
public void run() {
//死循环卖票
try {
//模拟 卖票耗时操作
while (true){
Thread.sleep(2000);
//synchronized 操作 ,使用位置. 哪个地方出问题 ,就放到对应位置
synchronized (object){if (count>0){
System.out.println("当前剩余:"+count+"张");
count--;
//每卖出1张 ,要减去1张
}else{
System.out.println("当前车票已售完");
System.exit(0);
//退出程序
}}
}} catch (InterruptedException e) {
e.printStackTrace();
}}
public static void main(String[] args) {
chepaio cp1=new chepaio();
chepaio cp2=new chepaio();
chepaio cp3=new chepaio();
//线程
Thread thread1=new Thread(cp1);
Thread thread2=new Thread(cp2);
Thread thread3=new Thread(cp3);
thread1.start();
thread2.start();
thread3.start();
}
}
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