s-day06-线程等待唤醒的案例(生产者与消费者)

This commit is contained in:
2026-08-06 15:02:52 +08:00
parent 5691ddfc8a
commit 085eeb3372
4 changed files with 84 additions and 0 deletions
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package com.inmind.wait_notify08;
//该类的作用记录当前是否有包子(就是用来进行线程间通信的)
public class BaoZi {
boolean flag = false;//没有
}
@@ -0,0 +1,33 @@
package com.inmind.wait_notify08;
public class BaoZiPu implements Runnable{
BaoZi baoZi;
//构造方法来对baozi属性赋值
public BaoZiPu(BaoZi baoZi) {
this.baoZi = baoZi;
}
@Override
public void run() {
//如果有包子就等着,如果没有包子就做一个包子
while (true) {
//使用同步代码块解决线程安全问题
synchronized (baoZi){
if (baoZi.flag) {
//如果有包子就等着
try {
baoZi.wait();//让当前线程等待,释放锁对象
} catch (InterruptedException e) {
e.printStackTrace();
}
}else {
//如果没有包子就做一个包子
System.out.println("包子铺做了一个包子");
baoZi.flag = true;
baoZi.notify();//唤醒顾客线程,通知包子做好了
}
}
}
}
}
@@ -0,0 +1,30 @@
package com.inmind.wait_notify08;
public class GuKe implements Runnable{
BaoZi baoZi;
public GuKe(BaoZi baoZi) {
this.baoZi = baoZi;
}
@Override
public void run() {
//如果有包子就吃,如果没有包子就等待
while (true) {
synchronized (baoZi){
if (baoZi.flag) {
//如果有包子就吃
System.out.println("顾客吃了一个包子");
baoZi.flag = false;
baoZi.notify();//唤醒包子铺,让包子铺继续做包子
}else {
try {
baoZi.wait();//让当前线程等待,释放锁对象
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}
}
@@ -0,0 +1,16 @@
package com.inmind.wait_notify08;
//实现等待唤醒案例(生产者与消费者)
public class Test10 {
public static void main(String[] args) {
//1.创建包子对象(用来线程间共享,线程间通讯)
BaoZi baoZi = new BaoZi();
baoZi.flag = true;
//2.创建2个线程任务对象
BaoZiPu baoZiPu = new BaoZiPu(baoZi);
GuKe guKe = new GuKe(baoZi);
//3.创建线程,启动线程
new Thread(baoZiPu).start();
new Thread(guKe).start();
}
}