J250511/01-JavaSE阶段代码/J20250731/demo01_cooker_foodie/Foodie.java

package J20250731.demo01_cooker_foodie;

/**
 * @author WanJl
 * @version 1.0
 * @title Foodie
 * @description
 * @create 2025/7/31
 */
public class Foodie implements Runnable{
    /**
     * 1.判断是否有包子,决定当前线程是否执行
     * 2.如果没有包子,就进入等待状态,如果有包子,就消费包子
     * 3.消费包子后,更新桌子上包子状态,唤醒生产者生产包子
     */
    @Override
    public void run() {
        while (true){
            synchronized (Desk.lock){
                if (Desk.count==0){
                    break;
                }else {
                    if (Desk.flag){
                        //消费...
                        System.out.println("消费者"+Thread.currentThread().getName()+"正在吃....包子...");
                        Desk.flag=false;
                        Desk.lock.notifyAll();
                        Desk.count--;
                        System.out.println("消费后包子还剩："+Desk.count);
                    }else {
                        //等待....
                        try {
                            Desk.lock.wait();
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                    }
                }
            }
        }
    }
}