C++学习笔记2---继承

#include<iostream>
using namespace std;
 
/***********************************************/
class GrandFatherOne
{
public:
	int i;
	GrandFatherOne();
	GrandFatherOne(int i);
	~GrandFatherOne();
	void Print();
};
 
GrandFatherOne::GrandFatherOne()
{
	this->i = 0;
	cout<<"GrandFather's default construct function is called!"<<endl;
}
 
GrandFatherOne::GrandFatherOne(int i)
{
	this->i = i;
	cout<<"GrandFather's constructer function with arguement is called!"<<endl;
}
 
void GrandFatherOne::Print()
{
	cout<<"GrandFatherOne's Print "<<this->i<<endl;
}
 
 
GrandFatherOne::~GrandFatherOne()
{
	cout<<"GrandFatherOne's disConstructer function is called!"<<endl;
}
 
/***********************************************/
class FatherOne:public GrandFatherOne
{
public:
	int i;
	FatherOne();
	FatherOne(int i);
	~FatherOne();
	void Print();
};
 
FatherOne::FatherOne()
{
	this->i = 1;
	cout<<"FatherOne's  default constructer function !"<<endl;
}
 
FatherOne::FatherOne(int i)
{
	this->i = i;
	cout<<"FatherOne's construct function with arguement  !"<<endl;
}
 
FatherOne::~FatherOne()
{
	cout<<"FatherOne disContruct's funtions is called!"<<endl;
}
 
void FatherOne::Print()
{
	cout<<"FatherOne's Print "<<this->i <<endl;
}
/***********************************************/
 
class Son:public FatherOne
{
public:
	int i;
public:
	Son();
	Son(int i);
	~Son();
	void Print();
};
 
Son::Son(int i)
{
	this->i = i;
	cout<<"Son's constructer function with arguement is called!"<<endl;
}
 
Son::Son()
{
	this->i = 2;
	cout<<"Son's constructer function!"<<endl;
}
 
Son::~Son()
{
	cout<<"Son's Discontructer is called!"<<endl;
}
void Son::Print()
{
	cout<<this->i<<endl;
	cout<<"FatherOne's i\t";
	cout<<FatherOne::i<<endl;
}
 
int main()
{
	Son s1;
	return 0;
}