java多线程的案例,给我学习一下,谢谢!

发布网友发布时间：2022-05-27 03:24

共2个回答

热心网友时间：2023-10-03 01:53

public class Consumer extends Thread{
private SharedData sd;
private char c;

public Consumer(SharedData sd) {
this.sd = sd;
}

public void run() {
do {
c = sd.consumer();
try {
Thread.sleep((long)Math.random()*3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

} while (c != 'D');
}
}

public class Proctor extends Thread{
private SharedData sd;

public Proctor(SharedData sd) {
this.sd = sd;
}

public void run() {
for (char c='A';c<='D';c++) {
sd.proct(c);
try {
Thread.sleep((long)Math.random()*3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}

public class SharedData {
private char c; //当前正在生产或消费的产品
private boolean isProcted = false;//是否已经生产

//生产产品
public synchronized void proct(char c) {
if (isProcted) {
//已经生产，等待消费
try {
wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
this.c = c;
System.out.println("生产产品" + c);
this.isProcted = true;//已经生产
notify(); //通知消费者
}

//消费产品
public synchronized char consumer() {
if (!isProcted) { //未生产，则等待生产产品
try {
wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("消费产品" + c);
isProcted = false;
notify();
return this.c;
}
}
public class Test {

/**
* @param args
*/
public static void main(String[] args) {
SharedData sd = new SharedData();
Proctor p = new Proctor(sd);
Consumer c = new Consumer(sd);

c.start();
p.start();
}

}

热心网友时间：2023-10-03 01:53

我觉得技视网就很不错，在IT这一块做得很纯粹，网站根据不同的IT领域划分了不同的关键词进行搜索学习，而且都是免费的在线视频，你感兴趣可以去看看，反正我经常去那里学习，希望对你有帮助！