如何解决Java:ProducerConsumer
我看不到此代码有任何问题,但结果未在Eclipse的控制台窗口中显示。
出什么问题了?
class Buffer{
private int data;
private boolean empty = true;
public synchronized int get() {
while(empty) {
try {
wait();
} catch (InterruptedException e) {
}
}
empty = true;
notifyAll();
return data;
}
public synchronized void put(int data) {
while (!empty) {
try {
wait();
} catch (InterruptedException e) {
}
}
empty = false;
this.data = data;
notifyAll();
}
}
class Producer implements Runnable{
private Buffer buffer;
public Producer(Buffer buffer) {
this.buffer = buffer;
}
public void run() {
for (int i=0; i<0; i++) {
buffer.put(i);
System.out.println("Producer: " + i + "th cake produced.");
try {
Thread.sleep((int) (Math.random() * 100));
} catch (InterruptedException e) {
}
}
}
}
class Consumer implements Runnable{
private Buffer buffer;
public Consumer(Buffer drop) {
this.buffer = drop;
}
public void run() {
for(int i=0; i<10; i++) {
int data = buffer.get();
System.out.println("Consumer: " + data + "th cake comsumed.");
try {
Thread.sleep((int) (Math.random() * 100));
} catch (InterruptedException e) {
}
}
}
}
public class ProducerConsumerTest {
public static void main(String[] args) {
Buffer buffer = new Buffer();
(new Thread(new Producer(buffer))).start();
(new Thread(new Consumer(buffer))).start();
}
}
解决方法
在生产者的run()方法中,循环不好
for (int i=0; i<0; i++)
但应该是
for (int i=0; i<10; i++)
那可能是一个错字:)
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