练习.txt

钱能主编 C++程序设计教程（第一版） 该书习题的答案代码

//************************
//**      main.cpp      **
//************************
#include <iostream.h>
#include "famo.h"

void main()
{
	Father fa;
	Mother mo;
	Child  ch;

	cout<<"a new day start..."<<endl;
	cout<<"father:"; fa.Drive();
	cout<<"mother:"; mo.Sing(); mo.PJ();
	cout<<"child:";  ch.PlayBall();

	cout<<endl<<"then father drive back..."<<endl;
	cout<<"child:";  ch.Drive(); ch.Sing();
	
	cout<<endl<<"in the evening..."<<endl;
	cout<<"father:"; fa.Mend();
	cout<<"child:";  ch.Mend();
}
//**********************
//**      famo.h      **
//**********************
#include <iostream.h>

class Father
{
public:
	void Drive() {cout<<"driving car."<<endl;}
	void Mend() {MendTV();}
protected:
	void MendTV() {cout<<"repair TV."<<endl;}
};

class Mother
{
public:
	void Sing() {cout<<"singing."<<endl;}
	void PJ() {PartJob();}
private:
	void PartJob() {cout<<"doing parttime job."<<endl;}
};

class Child:public Father,public Mother
{
public:
	void PlayBall() {cout<<"playing ball."<<endl;}
};