import java.util.concurrent.CountDownLatch;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.BrokenBarrierException;

class BarriereOppgave implements Runnable {

    public void run() {
        System.out.println("naa looper barrieren");
    }
}

class Arbeid implements Runnable {

    private CountDownLatch latch;
    private CyclicBarrier barriere;

    public Arbeid(CyclicBarrier barriere) {
        this.barriere = barriere;
    }

    @Override
    public void run() {
        for (int i = 0; i < 5; i++) {
            System.out.println(i);
            // latch.countDown();
            try {
                barriere.await();

            } catch (InterruptedException e) {
                System.out.println(e);
            } catch (BrokenBarrierException e) {
                System.out.println(e);
            }
        }
    }
}


class Hoved {
    public static void main(String[] args) {
        int antallTraader = 10;

        BarriereOppgave b1 = new BarriereOppgave();

        CountDownLatch latch = new CountDownLatch(antallTraader);
        CyclicBarrier barriere = new CyclicBarrier(antallTraader, b1);

        Arbeid run1 = new Arbeid(barriere);


        for (int i = 0; i < antallTraader; i++) {
            new Thread(run1).start();
        }

    }
}