java线程之生产与消费_java线程生产与消费-优快云博客

本文链接：https://blog.youkuaiyun.com/summer2015/article/details/8715333

本文介绍了一个使用Java实现的同步生产者消费者模式案例。通过定义Box类作为共享资源，使用synchronized关键字确保线程安全，并利用wait和notify方法来协调生产和消费过程。Producer和Consumer分别扮演生产者和消费者角色，在有限容量的缓冲区中进行产品的生产和消费。

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package com.bank;

public class Box{
int index = 0;
sc[] arrWT = new sc[6];

public synchronized void push(sc wt) {
if(index == arrWT.length) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
this.notify();
arrWT[index] = wt;
index ++;
}

public synchronized sc pop() {
if(index == 0) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
this.notify();
index --;
return arrWT[index];
}

}

package com.bank;

public class Consumer implements Runnable{

Box ss = null;
Consumer(Box ss) {
this.ss = ss;
}

public void run() {
for(int i=0; i<20; i++) {
sc wt= ss.pop();
//System.out.println(wt);
System.out.println("消费了:" +wt+"个产品");
try {
Thread.sleep((long) (Math.random()*1000));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}

}

package com.bank;

public class Producer implements Runnable{
Box ss = null;
Producer(Box ss) {
this.ss = ss;
}

public void run() {
for(int i=0; i<20; i++) {
sc wt= new sc(i);
ss.push(wt);
System.out.println("生产了：" + wt+"个产品");
try {
Thread.sleep((long) (Math.random()*200));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}

package com.bank;

public class Main {
public static void main(String[] args) {
Box ss = new Box();
Producer p = new Producer(ss);
Consumer c = new Consumer(ss);
new Thread(p).start();
new Thread(c).start();
}
}

class sc {
int id;
sc(int id) {
this.id = id;
}

public String toString() {
return "sc :" + id;
}
}