《C++面向对象程序设计答案》-第五章--谭浩强-清华大学出版社之欧阳引擎创编

1、1:欧阳引擎(2021.01.01)#include using namespace std;class Studentpublic:voidget_value()cinnumnamesex;void display()coutnnum: Hnumendl;coutnname: nnameendl;coutHsex: Hsexendl;private :int num;char name10;char sex;class Student 1: public Studentpublic:void get_value_l()(get_value();cinageaddr;void display_

2、l() coutage: ,ageendl;引用派生类的私有成员，正确。coutuaddress: addrendl;引用派生类的私有成员，正确。private:int age;charaddr30;；int main()Student 1 stud 1;studl .get_value_l();studl.displayO;studl.display()；return 0;)2:#include using namespace std;class Studentpublic:voidget_value()cinnumnamesex;void display()coutHnum: Hnumen

3、dl;coutnname: Hnameendl;coutnsex: Hsexendl;private :int num;char name10;char sex;class Student 1: private Studentpublic:void get_value_l()get_value();cinageaddr;void display_l()displayO;coutuage: ageendl;引用派生类的私有成员，正确。coutraddress: Haddrendl;引用派生类的私有成员，正确。private:int age;charaddr30;int main()Student

4、 1 studl;stud l.get_value_ 1();studl.display_l();return 0;)3:#include 声明基类基类公用成员基类保护成员using namespace std; class Student public: voidget_value();void display(); protected : int num;char name10;char sex;void Student: :get_value()cinnumnamesex;void Student:display()coutHnum: Hnumendl;coutnname: Hnamee

5、ndl;coutnsex: Hsexendl;class Student 1: protected Student声明一个保护派生类public:void get_value_l();void display 1();private:int age;charaddr30;；void Student 1:get_value_ 1 ()(get_value();cinageaddr;void Student l:display 1()coutHnum: numendl;引用基类的保护成员coutnname: nameendl;引用基类的保护成员coutnsex: sexendl;引用基类的保护成员

6、coutnage: ageendl;引用派生类的私有成员coutnaddress: uaddrendl; 引用派生类的私有成员1int main()Student 1 stud 1;/stud 1是派生类student 1类的对象stud l.get_value_ 1 ();调用派生类对象studl的公用成员函数stud 1.display 1();调用派生类对象studl的公用成贝函数return 0;4：解法#include using namespace std;class Student声明基类public:基类公用成员voidget_value();void display();pr

7、otected :基类保护成员int num;char name10;char sex;void Student: :get_value()cinnumnamesex; void Student:display()coutnnum: nnumendl; coutHname: Hnameendl; coutnsex: Hsexendl;class Student 1: public Studentpublic:void get_value_l();void display 1();private:int age;charaddr30;；void Student 1:get_value_ 1 ()

8、(get_value(); cinageaddr;void Student l:display 1()声明一个公用派生类引用基类的保护成员，合coutHnum: Hnumendl;法coutnname: Hnameendl; 引用基类的保护成员，合法 coutrsex: sexendl;引用基类的保护成员，合法coutuage: ageendl;引用派生类的私有成员，合法coutnaddress: addiendl;引用派生类的私有成员，合法int main()Student 1 stud 1;/studl是派生类student 1类的对象studl.get_value_l();员函数get_

9、value调用派生类对象studl的公用成stud 1.display 1();调用派生类对象studl的公用成员函数 display 1return 0;解法二#include using namespace std;class Student声明基类public:基类公用成员voidget_value();void display();protected :int num;基类保护成员char name 10;char sex;void Student: :get_value()cinnumnamesex;void Student: :display()coutHnum: Hnumendl

10、;coutHname:Hnameendl;coutnsex:,sexendl;class Student 1: protected Student声明一个公用派生类public:void get_value_l();void display 1();private:int age;charaddr30;；void Student 1:get_value_ 1 ()cinageaddr;void Student l:display 1()coutnage: Mageendl;coutHaddress:Haddrendl;int main()Student 1 stud 1;/stud 1 是派生

11、类 student 1 类的对象studl.get_value();stud l.get_value_ 1();studl.display();stud 1.display 1();合法。display 1是派生类中的公用成员函数return 0;5:class AA为基类public:void fl();inti;protected:void f2();intj;private:int k;class B: public A B为A的公用派生类public:void f3();protected:int m;private:int n;class C: public Bc为B的公用派生类pu

12、blic: void f4(); private: intp;；int main()Aal;al是基类A的对象Bbl;/bl是派生类B的对象Cel;cl杲派生类C的对象return 0;6:#include using namespace std; class A public: void fl(); protected: void f2();private:inti;；class B: public Apublic:void f3();int k;private:int m;class C: protected Bpublic:void f4();protected:int n;privat

13、e:intp;；class D: private Cpublic:void f5();protected:intq;private:int r;int main()Aal;Bbl;Cel;Ddl;return 0;7:#include using namespace std;class A public：A()a=0;b=0;A(inti)a=i;b=0;A(inti,intj)a=i;b=j;void display()coutna=Han b=Hb;private:int a;int b;class B : public Apublic:B()c=0;B(inti):A (i)c=0;B(

14、inti,intj):A(i,j)c=O;B(inti,intj,int k):A(i,j)c=k;void display 1()displayO;coutH c=ncendl;private:int c;；int main() Bbl;Bb2(l);Bb3(l,3)；B b4(l,3,5);bl.display 1();b2.displayl();b3.displayl();b4.displayl();return 0;)8:#include using namespace std;class Apublic:A() coutMconstructing A Hendl;A()coutnde

15、structing A Hendl;class B : public Apublic:B()coutnconstructing B Hendl;B() coutHdestructing B endl; ；class C : public Bpublic:C()coutHconstructing C Hendl;-C() coutdestructing C endl; ；int main()Cel;return 0;)9:#include#include using namespace std;class Teacherpublic：Teacher(string naminta,chars,st

16、ringtit,stringad,string t);void display();protected:string name;int age;char sex;string title;stringaddr;stringtel;Teacher:Teacher(string nam,inta,chars,stringtit,stringad,string t): name(nam),age(a),sex(s),title(tit),addr(ad),tel(t) void Teacher: :display()coutnname: Mnameendl;coutHagenageendl;cout

17、Hsex:,rsexendl;coutntitle:Htitleendl;coutHaddress:naddrendl;coutntel: f,telendl;class Cadrepublic：Cadre(string nam,inta,chars,stringp.stringad,string t);void display();protected:string name;int age;char sex;string post;stringaddr;stringtel;Cadre:Cadre(string nam,inta,chars,stringpstringad,string t):

18、name(nam),age(a),sex(s),post(p),addr(ad),tel(t) void Cadre:display()coutnname:nnameendl;coutHage:Hageendl;coutHsex:,rsexendl;coutHpost:Hpostendl;coutHaddress:naddrendl;coutntel: f,telendl;classTeacher_Cadre:publicTeacher,public Cadrepublic：Teacher_Cadre(stringnam,inta,chars,stringtit,stringp,stringa

19、d,stringt,float w);void show();private:float wage;Teacher_Cadre:Teacher_Cadre(stringnam,inta,chars,stringt,stringp,stringad,stringtel,float w):Teacher(nam,a,s,t,ad,tel),Cadre(nam,a,s,p,ad,tel),wage(w) voidTeacher_Cadre:show()Teacher: :display();coutnpost:HCadre:postendl;coutH wages: Hwageendl;)int m

20、ain()Teacher_Cadrete_ca(,Wang-li,50,f,prof.,president,135Beijing Road,Shanghai”,“(021)61234567”,1534.5);te_ca.show();return 0;#include #include using namespace std; class Teacherpublic:Ieacher(int,char ,char);void displayO;教师类声明构造函数声明输出函数private:int num;char name20;char sex;Teacher:Teacher(intn,char

21、nam,char s) 定义构造函数num=n;strcpy(name,nam);sex=s;)定义输出函数void Teacher: :display()coutHnum: nnumendl; coutHname:,rnameendl; coutnsex:f,sexendl;生日类class BirthDatepublic:BirthDate(int,int,int);声明构造函数void display();声明输出函数void change(int,intent);/声明修改函数private:int year;int month;int day;BirthDate:BirthDate(inty,intm,int d)定义构造函数year=y;month=m;day=d;void BirthDate:displayQ定义输出函数cout,birthday:,monthn/nday,7nyearendl;void BirthDate:change(inty,intm,int d) 定义修改函数year=y;month=m;day=d;cl