#include <iostream>
#include <string>
//testClassPrivateProtected1.cpp
using namespace std;
typedef class A
{
private:	int pvtnum1; 
protected:	int procnum1; string str1;
public: 	
	int pubnum1; string str2; 
	void dosomething();// member function
} pA;
// class member accesing private 
//class aliast::memberfunction
void pA::dosomething()
{
	pvtnum1 = 200;	 procnum1 = 100; 
	 pubnum1 = 50;
	 str1="Class instances can't access pvt member";
	 cout<<"\n private "<< pvtnum1;
	 cout<<"\n , protected  "<< procnum1;
	 cout<<"\n , public "<< pubnum1;
	 cout<<"\n ,"<< str1; 
}
 class B:public pA 
 {
 public :	 void B_function()
 {	 str1 += "\n reappeared in B"; 
	cout<<"\n, protected member of class A: ";
	cout<<" str1  "<< str1; 	 }
 };
int main()
{
	pA obj1;obj1.dosomething(); 
	obj1.str2 += " public string variable"; 
	B obj2;	obj2.B_function();
	cout<<"\n obj1.str2 : public member : "<< obj1.str2;
	return 0;
}