import java.util.concurrent.CountDownLatch;

class ChopVegetablesTask implements Runnable {
	CountDownLatch l;

	public ChopVegetablesTask(CountDownLatch latch) {
		l = latch;
	}


    @Override
    public void run() {
        try {
            String[] vegetables = {"Tomato", "Lettuce", "Onion"};
            for (String veggie : vegetables) {
                System.out.println("Chopping " + veggie);
                Thread.sleep((int) (Math.random() * 2500));
            }
            System.out.println("All vegetables chopped!");
            l.countDown();
        } catch (InterruptedException e) {
            System.err.println("Vegetable chopping was interrupted. Dinner is  cancelled!");
            System.exit(1);
        }
    }
}