package com.hundsun.hswealth.mkm;
public class MainApp {
private static Object lock1 = new Object(); // 锁对象
private static volatile boolean status = true; // 共享变量可见性
static class SubThread1 extends Thread {
@Override
public void run() {
synchronized (lock1) {
while (status) {
System.out.println(Thread.currentThread().getName() + "提供者提供商品...");
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
status = false;
}
System.out.println(Thread.currentThread().getName() + "等待消费者消费商品...");
lock1.notifyAll(); // 通知所有线程
}
}
}
static class SubThread2 extends Thread {
@Override
public void run() {
synchronized (lock1) {
while (!status) {
System.out.println(Thread.currentThread().getName() + "消费者消费商品...");
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
status = true;
}
System.out.println(Thread.currentThread().getName() + "等待提供者提供商品...");
try {
lock1.wait(); // 线程等待
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
public static void main(String[] args) {
for (;;) {
Thread thread1 = new Thread(new SubThread1());
Thread thread2 = new Thread(new SubThread2());
thread1.start();
thread2.start();
}
}
}