import java.util.concurrent.CountDownLatch;

class CountDownEksempel{
  public static void main(String[] args) {
    hovedprogram();
  }

  static void hovedprogram(){
    int antTraader = 5;
    CountDownLatch ferdigSignal = new CountDownLatch(antTraader);

    for(int i = 0; i < antTraader; i++){
      Thread traad = new Thread(new Arbeider(ferdigSignal, i));
      traad.start();
    }

    try{
      ferdigSignal.await();
    } catch(InterruptedException e){
      System.out.println(e.getMessage());
    }
    System.out.println("Alle er ferdige! ");
  }

}