生产者消费者模型java

马士兵老师的生产者消费者模型,我感觉理解了生产者消费者模型,基本懂了一半多线程。

public class ProducerConsumer {
public static void main(String[] args) {
SyncStack ss = new SyncStack();
Producer p = new Producer(ss);
Consumer c = new Consumer(ss);
new Thread(p).start();
new Thread(c).start();
}
} class WoTou {
int id;
WoTou(int id) {
this.id = id;
}
public String toString() {
return "WoTou : " + id;
}
} class SyncStack {
int index = 0;
WoTou[] arrWT = new WoTou[6]; public synchronized void push(WoTou wt) {
while (index == arrWT.length) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
this.notifyAll();
arrWT[index] = wt;
index++;
} public synchronized WoTou pop() {
while (index == 0) {
try {
this.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
this.notifyAll();
index--;
return arrWT[index];
}
} class Producer implements Runnable {
SyncStack ss = null; Producer(SyncStack ss) {
this.ss = ss;
} public void run() {
for (int i = 0; i < 20; i++) {
WoTou wt = new WoTou(i);
ss.push(wt);
System.out.println("生产了:" + wt);
try {
Thread.sleep((int) (Math.random() * 200));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
} class Consumer implements Runnable {
SyncStack ss = null; Consumer(SyncStack ss) {
this.ss = ss;
} public void run() {
for (int i = 0; i < 20; i++) {
WoTou wt = ss.pop();
System.out.println("消费了: " + wt);
try {
Thread.sleep((int) (Math.random() * 1000));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
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