黑马程序员 java基础Thread随笔-优快云博客

本文链接：https://blog.youkuaiyun.com/lazy_xia/article/details/22457163

本文通过一个具体的Java代码示例介绍了线程间的同步机制，包括如何使用wait()和notify()方法来实现线程间的等待与唤醒，确保数据的一致性和操作的有序性。

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/**
* 等待唤醒机制等我做完你再做
*
* @author lazy
*
*/
class Res1 {
String name;
String sex;
boolean flag = false;
}

class Input1 implements Runnable {

private Res1 r;
Object obj = new Object();

public Input1(Res1 r) {
// TODO Auto-generated constructor stub

this.r = r;
}

@Override
public void run() {
// TODO Auto-generated method stub
int x = 0;
while (true) {
synchronized (r) {
if (r.flag)
try {
r.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

if (x == 0) {
r.name = "mike";
r.sex = "man";
} else {
r.name = "丽丽";
r.sex = "女女";
}
x = (x + 1) % 2;
r.flag = true;
r.notify();
}
}
}

}
class Output1 implements Runnable {

private Res1 r;

Output1(Res1 r) {
// TODO Auto-generated constructor stub
this.r = r;
}

@Override
public void run() {
// TODO Auto-generated method stub

while (true) {
synchronized (r) {
if (!r.flag)
try {
r.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}

System.out.println(r.name + ".." + r.sex);
r.flag = false;
r.notify();
}

}
}

}

public class ThreadTest8 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

Res1 r = new Res1();
Input1 in = new Input1(r);
Output1 out = new Output1(r);

Thread t1 = new Thread(in);
Thread t2 = new Thread(out);
t1.start();
t2.start();
}

}