import java.util.concurrent.CountDownLatch;

public class Main {
    public static void main(String[] args) {
        CountDownLatch latch = new CountDownLatch(5);
        CountMonitor monitor = new CountMonitor();
        Runnable task = new MyTask(monitor, latch);

        for(int i = 0; i< 5;i++){
            new Thread(task).start();
        }
        // Thread worker1 = new Thread(task);
        // Thread worker2 = new Thread(task);
        // worker1.start();
        // worker2.start();

        try {
            
            latch.await();
        } catch (InterruptedException e) {
            System.out.println(e);
        }
        
        System.out.println("All threads are finished");
        System.out.println(monitor.getCounter());
    }
}