java13 (wait, notify(All))

class Resourse {
    private int res = 0;
    private boolean isReady = false;

    synchronized void put(int res) {
        while (isReady)
            try {
                wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        System.out.println("Положили: " + res);
        this.res = res;

        isReady = true;
        notifyAll();
    }

    synchronized void get() {
        while (!isReady)
            try {
                wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        System.out.println("Забрали: " + res);

        isReady = false;
        notifyAll();
    }
}

class Producer implements Runnable {

    Resourse resourse;

    Producer(Resourse resourse) {
        this.resourse = resourse;
    }

    public void run() {
        int i = 0;

        while (true) {
            resourse.put(i++);
        }

    }

}

class Customer implements Runnable {

    Resourse resourse;

    Customer(Resourse resourse) {
        this.resourse = resourse;
    }

    public void run() {
        while (true) {
            resourse.get();
        }

    }

}

public class Test {

    public static void main(String args[]) throws Exception {
        Resourse resourse = new Resourse();
        Producer producer = new Producer(resourse);
        Customer customer = new Customer(resourse);

        Thread thread1 = new Thread(producer);
        Thread thread2 = new Thread(customer);

        thread1.start();
        thread2.start();

        Thread.sleep(1000);
        System.exit(0);
    }
}