package com.yolovf.knowledge.test.thread.test;

import lombok.SneakyThrows;

/**
 * @Author: xbcao
 * @Description: TODO
 * @Date: 2023/11/29 19:54:16
 * @Since: jdk1.8
 * @Version: 1.0
 */
class WaiMai {
    static boolean flag = false; //缺少食物 true 不缺
    public static Object lock = new Object();
}

class Shop extends Thread {
    @SneakyThrows
    @Override
    public void run() {
        synchronized (WaiMai.lock) {
            if (!WaiMai.flag ) {
                System.out.println("外卖接到订单，开始做饭");
                Thread.sleep(3000);
                WaiMai.flag = true;
                WaiMai.lock.notifyAll();
            }
        }
    }
}
class Customer extends Thread{
    public void run() {
        System.out.println("小王开始做饭，但没有食材，开始下单");
        synchronized (WaiMai.lock) {
            if (WaiMai.flag) {
                System.out.println("等待3s后，接到订单，开始做饭");
            }
        }
    }
}
public class Test{
    public static void main(String[] args) {
        Shop shop = new Shop();
        Customer customer = new Customer();

        shop.start();
        customer.start();
    }
}