#include<iostream>
using namespace std;

class demo
{
        private: char info;

        public:
                 demo()
                 {   
                         info='a';
                 }   

                 void print_info()
                 {   
                       cout<<info;
                 }   
};

int main()
{

     demo * ob = new demo();
     char* ptr= reinterpret_cast<char*>(ob);

     *ptr='b';

     ob->print_info();
     delete ob; 
     return 0;
}