继承和组合

题目:
分别定义类如下:
(1) Birthday(生日类) 含有:year(年), month (月),日 (day) 等数据成员
(2) Staff(职工类)含有:num(工号),name(姓名),sex(性别) 等数据成员
(3) Teacher(教师类)含有:职工类和生日类的数据成员
要求:
(1)通过对Staff和Birthday使用继承和组合的方式设计Teacher;
(2)定义Teacher类对象teach,并给出所有数据的初值,数据自拟;
(3)修改teach的生日数据;
(4)输出teach的全部最新数据。

#include <iostream>
#include <stdio.h>
using namespace std;
class Staff {
	public:
		Staff() {}
		Staff(int n,char *na,bool s):num(n),name(na),sex(s){}
		void display() {
			cout<<num<<endl
			<<name<<endl
			<<sex<<endl;
		}
	protected:
		int num;
		char *name;
		bool sex;
};

class Birthday {
	public:
		Birthday(int y=0,int m=0,int d=0):year(y),month(m),day(d){}
		void display() {
			cout<<year<<endl
			<<month<<endl
			<<day<<endl;
		}
		void Correct(int y,int m,int d) {
			year=y,month=m,day=d;
		}
	protected:
		int year,month,day;
};

class Teacher:public Staff {
	private:
		Birthday bir;
	public:
		Teacher(int n,char *na,bool s,int y,int m,int d):Staff(n,na,s),bir(y,m,d){}
		void display() {
			Staff::display();
			bir.display();
		}
		void Correct(int y,int m,int d) {
			bir.Correct(y,m,d);
		}
}; 

int main()
{
	Teacher tea(171012346,"XYQ",1,1999,02,24);
	tea.display();
	tea.Correct(1999,03,31);
	tea.display();
	return 0;
} 

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转载自blog.csdn.net/qq_41090676/article/details/86433538
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