public Cheese(IPizzaItem pizzaItem) : base(pizzaItem) { Calorie = pizzaItem.Calorie + 300; }
public Mushroom(IPizzaItem pizzaItem) : base(pizzaItem) { Calorie = pizzaItem.Calorie + 100; }
public PizzaItemDecorator(IPizzaItem pizzaItem) { PizzaItem = pizzaItem; }