Head First设计模式悟道

暂时包括 策略模式，观察者，装饰模式，工厂模式，抽象工厂模式，后续会继续补充中，纯属个人总结用，不喜勿喷，

源代码见：

传送门

public class NYPizzaIngredientFactory:PizzaIngredientFactory
    {
        public Dough createDough()
        {
            return new ThinCrustDough();
        }
        public Sauce createSauce()
        {
            return new MarinaraSauce();
        }
        public Cheese createCheese()
        {
            return new MozzarellaCheese();
        }
        public Veggies[] createVeggies()
        {
        Veggies[] veggies={new GarlicVeggies(),new OnionVeggies()};
            return veggies;
        }
        public Pepperoni createPepperoni()
        {
            return new SlicedPepperoni();
        }
        public Clams createClam()
        {
            return new Freshlams();
        }
    }