多线程通信
2021-05-06 01:31
标签:image cat 方法 http override 图片 显示 sleep err 一、创建两个程序MyThread1.java和MyThread2.java 二、创建测试类: 三、结果显示:
由上我们可以得知,在调用wait()方法的过程中,会释放锁等待线程被notify()唤醒 多线程通信 标签:image cat 方法 http override 图片 显示 sleep err 原文地址:https://www.cnblogs.com/hkMblogs/p/13191522.htmlpublic class MyThread1 extends Thread {
private Object lock;
public MyThread1(Object lock) {
super();
this.lock = lock;
}
@Override
public void run() {
try {
synchronized (lock) {
System.out.println("开始 wait time=" + System.currentTimeMillis());
lock.wait();
System.out.println("结束 wait time=" + System.currentTimeMillis());
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public class MyThread2 extends Thread {
private Object lock;
public MyThread2(Object lock) {
super();
this.lock = lock;
}
@Override
public void run() {
synchronized (lock) {
System.out.println("开始notify time=" + System.currentTimeMillis());
lock.notify();
System.out.println("结束notify time=" + System.currentTimeMillis());
}
}
}
public class Test {
public static void main(String[] args) {
try {
Object lock = new Object();
MyThread1 t1 = new MyThread1(lock);
t1.start();
Thread.sleep(3000);
MyThread2 t2 = new MyThread2(lock);
t2.start();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}