acm-继承与组合

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/**程序的版权和版本声明部分：*Copyright(c)2014，烟台大学计算机学院学生*All rights reserved.*文件名称：*作者：田成琳*完成日期：2014 年 5 月 26 日*版本号：v1.0*对任务及求解方法的描述部分：*输入描述:num,name,sex,year,month,day 和修改后的year,month,day*问题描述：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*程序输出：        Sample Input                   2001 Huang m                   1970 1 1                   1994 5 26   Sample Output                   num:2001                   name:Huang                   sex:m                   birthday:1994/5/26*问题分析：*算法设计：*/#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;};class Teacher{public:    Teacher(int,string,char);    void display();private:    int num;    string name;    char sex;};class Professor:public Teacher{public:    Professor(int,string,char,BirthDate);    void display();    void setbirthday(int,int,int);private:    BirthDate birthday;};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;}BirthDate::BirthDate(int y,int m,int d){year=y;month=m;day=d;}void BirthDate::display(){cout<<"birthday:"<<year<<"/"<<month<<"/"<<day;}void BirthDate::setbirthday(int y,int m,int d){year=y;month=m;day=d;}Teacher::Teacher(int nu,string n,char s){num=nu;name=n;sex=s;}void Teacher::display(){cout<<"num:"<<num<<endl;cout<<"name:"<<name<<endl;cout<<"sex:"<<sex<<endl;}Professor::Professor(int nu,string n,char s,BirthDate m):Teacher(nu,n,s),birthday(m){}void Professor::setbirthday(int y,int m,int d){birthday.setbirthday(y,m,d);//由对象调用public函数}void Professor::display(){Teacher::display();birthday.display();//由对象调用public函数}
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