import java.util.concurrent.CountDownLatch;

class SiHei {
    public static void main(String[] args) {

        CountDownLatch barriere = new CountDownLatch(8);

        for (int i = 0; i < 8; i++) {
            new Thread(new Hei(barriere)).start();
        }
    }
}

class Hei implements Runnable {
    CountDownLatch b;

    public Hei(CountDownLatch b) {
        this.b = b;
    }

    @Override
    public void run() {
        System.out.println("Hei for foerste gang");

        b.countDown();

        try {
            b.await();
        }
        catch (InterruptedException e) {
            System.out.println("Tråden ble forstyrret");
        }

        System.out.println("Hei for andre gang");

    }
}