Помогите пожалуйста, я в отчаянии
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 tablet1 = new Tablet(1);
Cook cook = new Cook("Amigo");
Waiter waiter = new Waiter();
tablet1.addObserver(cook);
cook.addObserver(waiter);
tablet1.createOrder();
}
}