Мучаюсь уже несколько дней, помогите
package com.javarush.task.task27.task2712;
import com.javarush.task.task27.task2712.kitchen.Cook;
import com.javarush.task.task27.task2712.kitchen.Waiter;
public class Restaurant {
public static void main(String[] args) {
Tablet tablet = new Tablet(5);
if (!tablet.createOrder().isEmpty()) {
Cook cook = new Cook("Yulya");
tablet.addObserver(cook);
Waiter waiter = new Waiter();
cook.addObserver(waiter);
}
}
}