Kotlin-Demo/jTest/ThreadTestWait.java

package jTest;

public class ThreadTestWait {
    public static void main(String[] args) {
        // 使用
        SharedResource resource = new SharedResource();
        new Producer(resource).start();
        new Consumer(resource).start();
    }
}

class SharedResource {
    private final Object lock = new Object();
    private boolean ready = false;

    public void produce() throws InterruptedException {
        synchronized (lock) {
            while (ready) {
                lock.wait(); // 等待直到消费者消费
            }
            // 生产资源
            ready = true;
            lock.notifyAll(); // 通知所有等待的线程
        }
    }

    public void consume() throws InterruptedException {
        synchronized (lock) {
            while (!ready) {
                lock.wait(); // 等待直到生产者生产
            }
            // 消费资源
            ready = false;
            lock.notifyAll(); // 通知所有等待的线程
        }
    }
}

class Producer extends Thread {
    private final SharedResource resource;

    public Producer(SharedResource resource) {
        this.resource = resource;
    }

    public void run() {
        try {
            while (true) {
                resource.produce();
                Thread.sleep(1000); // 模拟生产时间
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    }
}


class Consumer extends Thread {
    private final SharedResource resource;

    public Consumer(SharedResource resource) {
        this.resource = resource;
    }

    public void run() {
        try {
            while (true) {
                resource.consume();
                Thread.sleep(1000); // 模拟消费时间
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    }
}