阅读下列说明和 C++代码,将应填入(n)处的字句写在答题纸的对应栏内。 【说明】 某快餐厅主要制作井出售儿童套餐,一般包括主餐(各类比萨)、饮料和玩具,其餐品种类可能不同,但其制作过程相同。前台服务员(Waiter)调度厨师制作套餐。现采用生成器(Builder) 模式实现制作过程,得到如图 5-1 所示的类图。图5-1 类图 【C++代码】 include<iostream> include <string> using namespace std; class Pizza { private: string parts; public: void setParts(string parts) { this->parts=parts; } string getParts() { return parts; } }; class PizzaBuilder { protected:Pizza* pizza; public: Pizza* getPizza() { retum pizza; } void createNewPizza() { pizza = new Pizza(); } (1 ); } class HawaiianPizzaBuilder :public PizzaBuilder { public: void buildParts() { pizza->setParts("cross +mild + ham&pineapple"); } }; class SpicyPizzaBuider: public PizzaBuilder { public: void buildParts() { pizza->setParts("pan baked +hot + ham&pineapple"); } } Class Waiter{ Private: PizzaBuilder* pizzaBuilder; public: void setPizzaBuilder(PizzaBuilder* pizzaBuilder) { /*设置构建器*/ (2 ) } Pizza* getPizza() { return pizzaBuilder->getPizza(); } void construct() { /*构建*/ pizzaBuilder->createNewPizza(); (3 ) } }; int main(){ Waiter*waiter=new Waiter(); PizzaBuilder*hawaiian pizzabuilder=new HawaiianPizzaBuilder() (4 ); (5 ); cout<< "pizza: "<< waiter->getPizza()->getParts()<< endl; } 程序的输出结果为: pizza: cross + mild + ham&pineapple
阅读下列说明和 Java代码,将应填入 (n) 处的字句写在答题纸的对应栏内。 【说明】 某快餐厅主要制作并出售儿童套餐,一般包括主餐(各类比萨)、饮料和玩具,其餐品种类可能不同,但其制作过程相同。前台服务员 (Waiter) 调度厨师制作套餐。现采用生成器 (Builder) 模式实现制作过程,得到如图 6-1 所示的类图。【Java代码】 class Pizza { private String parts; public void setParts(String parts) { this.parts = parts; } public String toString() { return this.parts; } } abstract class PizzaBuilder { protected Pizza pizza; public Pizza getPizza() { return pizza; } public void createNewPizza() { pizza = new Pizza(); } public (1) ; } class HawaiianPizzaBuilder extends PizzaBuilder { public void buildParts() { pizza.setParts("cross + mild + ham&pineapp1e”}; } class SpicyPizzaBuilder extends PizzaBuilder { public void buildParts() { pizza.setParts("pan baked + hot + pepperoni&salami"); } } class Waiter { private PizzaBuilder pizzaBuilder; public void setPizzaBuilder(PizzaBuilder pizzaBuilder) { /*设置构建器*/ (2 ) ; } public Pizza getPizza(){ return pizzaBuilder.getPizza(); } public void construct() { /*构建*/ pizzaBuilder.createNewPizza(); (3 ) ; } } Class FastFoodOrdering { public static viod mainSting[]args) { Waiter waiter = new Waiter(); PizzaBuilder hawaiian_pizzabuilder = new HawaiianPizzaBuilder(); (4 ) ; (5 ) ; System.out.println("pizza: " + waiter.getPizza()); } } 程序的输出结果为: Pizza:cross + mild + ham&pineapple
A.8.1万元
B.9万元
C.11.7万元
D.13万元