java基础案例8-4工人搬砖

package com.itheima;

class Work implements Runnable{
    private int brick = 100;
    private int minute = 0;
    boolean flag = true;
    Object lock = new Object();
    public void run(){
        while(true) {
            synchronized (lock) {
                try {
                    if (brick > 0) {
                        Thread th = Thread.currentThread();
                        if (th.getName().equals("张三")) {
                            System.out.println(th.getName() + "正在搬砖");
                            Thread.sleep(500);
                            brick -= 3;
                            minute += 10;
                        } else {
                            Thread ch = Thread.currentThread();
                            System.out.println(ch.getName() + "正在搬砖");
                            Thread.sleep(500);
                            brick -= 5;
                            minute += 12;
                        }
                    }
                    if (brick <= 0 && flag)
                    {
                        System.out.println("搬砖完成,用时" + minute + "分钟");
                        flag = false;
                        break;
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

public class Main{
    public static void main(String[] args){
        Work work = new Work();
        new Thread(work, "张三").start();
        new Thread(work, "李四").start();
    }
}