import java.util.concurrent.CountDownLatch;

public class CookMeatTask implements Runnable {
    private final CountDownLatch latch;

    public CookMeatTask(CountDownLatch latch) {
        this.latch = latch;
    }

    @Override
    public void run() {
        try {
            System.out.println("Cooking meat");
            Thread.sleep((int) (Math.random() * 5000));
            System.out.println("Meat cooked!");
            latch.countDown();
        } catch (InterruptedException e) {
            System.err.println("Meat cooking was interrupted. Dinner is cancelled!");
            System.exit(1);
        }
    }
}