Подскажите плз в чем проблема.
package com.javarush.task.task27.task2712;
import com.javarush.task.task27.task2712.kitchen.Cook;
import com.javarush.task.task27.task2712.kitchen.Dish;
import com.javarush.task.task27.task2712.kitchen.Waiter;
public class Restaurant {
public static void main(String[] args) {
Tablet tablet = new Tablet(1);
Cook cooker = new Cook("Jimmy");
tablet.addObserver(cooker);
Waiter officiant = new Waiter();
cooker.addObserver(officiant);
tablet.createOrder();
tablet.createOrder();
tablet.createOrder();
tablet.createOrder();
}
}