class YieldingThread

public class YieldingThread extends Thread {

    private int contador = 3;

    public YieldingThread(int id) {

        super(String.valueOf(id));

    }

    public String toString() {

        return "thread " + getName() + ": " + contador;

    }

    public void run() {

        while (true) {

            System.out.println(this);

            if (contador-- == 0)

                return;

            yield();

        }

    }

    public static void main(String[] args) {

        for (int id = 0; id < 5; id++) {

            YieldingThread yt = new YieldingThread(id);

            yt.start();

        }

    }

}

> java YieldingThread

thread 0: 3

thread 1: 3

thread 2: 3

thread 3: 3

thread 4: 3

thread 0: 2

thread 1: 2

thread 2: 2

thread 3: 2

thread 4: 2

thread 0: 1

thread 1: 1

thread 2: 1

thread 3: 1

thread 4: 1

thread 0: 0

thread 1: 0

thread 2: 0

thread 3: 0

thread 4: 0