main.cpp

this a good book.

#include <iostream.h>

class MyClassA
{
public:
	void fun(){
		cout<<"MyClassA"<<endl;
	}
};

//******1*******
class MyClassB
{
public:
	void fun()
	{
		cout<<"MyClassB"<<endl;
	}
};
//******2*******
class MyClassC
{
public:
	void fun()
	{
		cout<<"MyClassC"<<endl;
	}
};
//******3*******
class MyClassD
{
public:
	void fun()
	{
	//******4*******
		
	}
};


void main()
{

	MyClassD obj1;
	obj1.fun();
	
	return;
}