[YTU]_2476(C++习题继承与组合)

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题目描述

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

输入

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

输出

num,name,sex,year,month,day

样例输入

2001 Huang m
1970 1 1
1994 5 26

样例输出

num:2001
name:Huang
sex:m
birthday:1994/5/26#include <iostream>
using namespace std;
class Rectangle   //矩形类
{
private:int length;  //矩形的长和宽int width;
public:Rectangle();Rectangle(int l,int w); //构造函数，l、w分别代表长和宽int getArea();   //求面积
};class Bulk: public Rectangle   //立方体类
{
public:Bulk(); //默认构造函数Bulk(int l, int w,int h); //带参数的构造函数int  getVolume();
private:int height;   //高，长、宽继承自基类
};Rectangle::Rectangle(){}
Rectangle::Rectangle(int l,int w):length(l),width(w){}
int Rectangle::getArea()
{return length*width;
}
Bulk::Bulk(){}
Bulk::Bulk(int l,int w,int h):Rectangle(l,w),height(h){}
int Bulk::getVolume()
{
K
#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;
};
BirthDate::BirthDate(int y,int m,int d):year(y),month(m),day(d){}
void BirthDate::setbirthday(int y,int m,int d)
{year=y;month=m;day=d;
}
void BirthDate::display()
{cout<<"birthday:"<<year<<'/'<<month<<'/'<<day<<endl;
}
Teacher::Teacher(int n,string nam,char s):num(n),name(nam),sex(s){}
void Teacher::display()
{cout<<"num:"<<num<<endl<<"name:"<<name<<endl<<"sex:"<<sex<<endl;
}
Professor::Professor(int n,string nam,char s,BirthDate BIR):Teacher(n,nam,s),birthday(BIR){}
void Professor::setbirthday(int y,int m,int d)
{birthday.BirthDate::setbirthday(y,m,d);
}
void Professor::display()
{Teacher::display();birthday.BirthDate::display();
}
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;
}

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