import java.util.concurrent.CyclicBarrier;

public class CyclicBarrierEksempel {
    public static void main(String[] args) {
        int antTrader = 8;
        CyclicBarrier barriere = new CyclicBarrier(antTrader);

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


class Task implements Runnable {
    private CyclicBarrier barriere;

    Task(CyclicBarrier b) {
        this.barriere = b;
    }

    public void run() {
        System.out.println(Thread.currentThread().getName() + "gjor noe forste gang");
        try {
            barriere.await();
        } catch (Exception e) {System.out.println(e);}
        System.out.println(Thread.currentThread().getName() + "gjor noe for andre gang!");
        try {
            barriere.await();
        } catch (Exception e) {System.out.println(e);}
        System.out.println(Thread.currentThread().getName() + "gjor noe for tredje gang!");
    }
}