生产者消费者模型

最新推荐文章于 2025-08-20 15:04:37 发布

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最新推荐文章于 2025-08-20 15:04:37 发布

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CC 4.0 BY-SA版权

文章标签： java python

原文链接：https://my.oschina.net/u/197668/blog/361209

本文介绍了一个经典的并发编程模型——生产者消费者模型，并详细解释了如何使用Java实现这一模型，包括生产者和消费者的线程同步和互斥操作。

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package lock1;

import java.util.ArrayList;
import java.util.List;

class Producer implements Runnable {
	private Products stack;

	public Producer(Products stack) {
		this.stack = stack;
	}

	@Override
	public void run() {
		while (true) {
			stack.produce();
		}
	}
}

class Consumer implements Runnable {
	private Products stack;

	public Consumer(Products stack) {
		this.stack = stack;
	}

	@Override
	public void run() {
		while (true) {
			stack.consume();
		}
	}
}

class Products {
	private static final long serialVersionUID = 1L;
	private List<String> products = new ArrayList<String>();
	private int capacity = 10;

	public synchronized void produce() {
		while (products.size() > capacity) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		this.notify();
		String str = "生产者生产的产品!";
		System.out.println(str);
		products.add(str);
	}

	public synchronized void consume() {
		while (products.size() == 0) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		this.notify();
		for (int i = 0; i < products.size(); i++) {
			System.out.println("消费者shiyong ：" + products.get(i));
			products.remove(i);
		}
	}
}

public class ConsumerProducer {
	public static void main(String[] args) throws InterruptedException {
		Products products = new Products();
		Producer producer = new Producer(products);
		Consumer consumer = new Consumer(products);
		new Thread(producer).start();
		new Thread(consumer).start();
	}
}

转载于:https://my.oschina.net/u/197668/blog/361209