import java.util.concurrent.CountDownLatch;

public class ChopVegetablesTask implements Runnable {
    private final CountDownLatch latch;

    public ChopVegetablesTask(CountDownLatch latch) {
        this.latch = 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!");
            latch.countDown();
        } catch (InterruptedException e) {
            System.err.println("Vegetable chopping was interrupted. Dinner is cancelled!");
            System.exit(1);
        }
    }
}