有子对象该怎麽办

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Description

已知类如下:
(1) BirthDate(生日类) 含有:year,month,day 等数据成员
(2) Teacher(教师类)含有:num,name,sex 等数据成员
(3) Professor(教授类)含有:教师类和生日类的数据成员
要求:
(1)通过对Teacher和BirthDate使用继承和组合的方式设计Professor
(2)定义Professor类对象prof,并给出所有数据的初值
(3)修改prof的生日数据
(4)输出prof的全部最新数据

Input

 num,name,sex,year,month,day 和修改后的year,month,day

Output

 num,name,sex,year,month,day 

Sample Input

2001 Huang m1970 1 11994 5 26

Sample Output

num:2001name:Huangsex:mbirthday:1994/5/26

#include <iostream>

#include <string>

using namespace std;

class BirthDate {

public:

    BirthDate(int,int,int);

    void display();

    void setbirthday(int,int,int);

private:

    int year;

    int month;

    int day;

};BirthDate::BirthDate(int y,int m,int d):year(y),month(m),day(d){}void BirthDate::display(){    cout<<"birthday:"<<year<<"/"<<month<<"/"<<day<<endl;}void BirthDate::setbirthday(int y,int m,int d){    year=y;    month=m;    day=d;}

class Teacher

{

public:

    Teacher(int,string,char);

    void display();

private:

    int num;

    string name;

    char sex;

};Teacher::Teacher(int n,string na,char s):num(n),name(na),sex(s){}void Teacher::display(){    cout<<"num:"<<num<<endl;    cout<<"name:"<<name<<endl;    cout<<"sex:"<<sex<<endl;}

 

class Professor:public Teacher

{

public:

    Professor(int,string,char,BirthDate);

    void display();

    void setbirthday(int,int,int);

private:

    BirthDate birthday;

};Professor::Professor(int n,string na,char s,BirthDate(b)):Teacher(n,na,s),birthday(b){}void Professor::display(){    Teacher::display();    birthday.display();

}void Professor::setbirthday(int y,int m,int d){    birthday.setbirthday(y, m, d);}/* C++代码 */

int main()

{

    int num;

    string name;

    char sex;

    int year,month,day;

    cin>>num>>name>>sex;

    cin>>year>>month>>day;

    Professor prof(num,name,sex,BirthDate(year,month,day));

    cin>>year>>month>>day;

    prof.setbirthday(year,month,day);

    prof.display();

    return 0;

}

 

学习总结:主要子对象哦
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