C++程序设计实践指导书11

C++程序设计实践上机指导书（第十一次）专业班级学号姓名信息学院PAGEPAGE7实践成绩评价说明（10分）（30分）（10分）（20分）（10分）（5分）（5分）（10分。上机十一类的继承（二）一、目的理解继承与派生、单继承与多继承的概念；掌握基类与派生类的定义及使用方法，派生类对象及初始化方法；理解派生类构造函数与析构函数的声明方法与调用顺序。二、要求：在上课之前，每一个同学必须将题目、程序编写完毕，做好充分的准备。所有环节均由每位同学独立完成，严禁抄袭他人结果。三、步骤和内容运行书P2687-5。体会构造函数与析构函数的执行顺序。运行书P2747-7P278，7.5.3话，体会虚基类的使用及派生类构造函数的调用过程。(Person(Student)：(ID(name(sex(age)，要求有(math(physical(englishC+(cpp(total)；新增成员函数有构造函数和输出所有成员的函数main()完成派生类对象的定义和有关成员函数的测试。四、思考题1、继承与派生的过程。五、结果分析#include<iostream>usingnamespacestd;classBase1{public:Base1(inti){cout<<"ConstructingBase1"<<i<<endl;}~Base1(){cout<<"DestructingBase1"<<endl;}};classBase2{public:Base2(intj){cout<<"ConstructingBase2"<<j<<endl;}~Base2(){cout<<"DestructingBase2"<<endl;}};classBase3{public:Base3(){cout<<"ConstructingBase3*"<<endl;}~Base3(){cout<<"DestructingBase3"<<endl;}};classDerived:publicBase2,publicBase1,publicBase3{public:Derived(inta,intb,intc,intd):Base1(a),member2(d),member1(c),Base2(b){}private:Base1Base2Base3};intmain(){Derivedobj(1,2,3,4);return0;}#include<iostream>usingnamespacestd;classBase0{public:intvar0;voidfun0(){cout<<"MemberofBase0"<<endl;}};classBase1:publicBase0{public:intvar1;};classBase2:publicBase0{public:intvar2;};classDerived:publicBase1,publicBase2{public:intvar;voidfun(){cout<<"MemberofDervied"<<endl;}};intmain(){Derivedd;d.Base1::var0=2;d.Base1::fun0();d.Base2::var0=3;d.Base2::fun0();}#include<iostream>usingnamespacestd;classBase0{public:Base0(intvar):var0(var){}intvar0;voidfun0(){cout<<"MemberofBase0"<<endl;}};classBase1:virtualpublicBase0{public:Base1(intvar):Base0(var){}intvar1;};classBase2:virtualpublicBase0{public:Base2(intvar):Base0(var){}intvar2;};classDerived:publicBase1,publicBase2{public:Derived(intvar):Base0(var),Base1(var),Base2(var){}intvar;voidfun(){cout<<"MemberofDervied"<<endl;}};intmain(){Derivedd(1);d.var=2;d.fun0();return0;}3．#include<iostream>#include<string>usingnamespaceclassPerson{public:Person(inti,char*n,chars,inta){ID=i;name=n;sex=s;age=a;}intgetID(){returnID;}voidshow(){cout<<"ID: "<<ID<<endl;cout<<"name:"<<name<<endl;cout<<"sex: "<<sex<<endl;cout<<"age: "<<age<<endl;}private:intID;stringcharsex;intage;};classStudent:publicPerson{public:Student(inti,char*n,chars,inta,floatm,floatp,floate,floatc):Person(i,n,s,a){math=m;physical=p;english=e;cpp=c;total=math+physical+english+cpp;}voidshow(){Person::show();cout<<"math:"<<math<<endl;cout<<"physical:cout<<"physical:"<<physical<<endl;cout<<"english: "<<english<<endl;cout<<"C++:"<<cpp<<endl;cout<<"total:"<<total<<endl;}private:floatmath,physi