Java如何使用线程解决生产者消费者问题？

• Z时代
• 2024-01-10
• 分类：综合

在Java编程中，如何使用线程解决生产者消费者问题？

以下示例演示如何使用线程解决生产者消费者问题。

package com.yiibai;
public class ProducerConsumerProblem {
    public static void main(String[] args) {
        CubbyHole c = new CubbyHole();
        Producer p1 = new Producer(c, 1);
        Consumer c1 = new Consumer(c, 1);
        p1.start();
        c1.start();
    }
}
class CubbyHole {
    private int contents;
    private boolean available = false;
    public synchronized int get() {
        while (available == false) {
            try {
                wait();
            } catch (InterruptedException e) {
            }
        }
        available = false;
        notifyAll();
        return contents;
    }
    public synchronized void put(int value) {
        while (available == true) {
            try {
                wait();
            } catch (InterruptedException e) {
            }
        }
        contents = value;
        available = true;
        notifyAll();
    }
}
class Consumer extends Thread {
    private CubbyHole cubbyhole;
    private int number;
    public Consumer(CubbyHole c, int number) {
        cubbyhole = c;
        this.number = number;
    }
    public void run() {
        int value = 0;
        for (int i = 0; i < 10; i++) {
            value = cubbyhole.get();
            System.out.println("Consumer #" + this.number + " get: " + value);
        }
    }
}
class Producer extends Thread {
    private CubbyHole cubbyhole;
    private int number;
    public Producer(CubbyHole c, int number) {
        cubbyhole = c;
        this.number = number;
    }
    public void run() {
        for (int i = 0; i < 10; i

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