friend class by using c++
#include<iostream.h> #include<conio.h> class abc { inta,b; public: void read() { cout<<"\nEnter the first number:"; cin>>a; cout<<"\nEnter the scound number:"; cin>>b; } friend class sum; }; class Sum { public; int c; void add(abc a1) { c=a1.a+a1.b; cout<<"\nSum="<<c; } }; void main() { abc a1; sum s1; clrscr(); a1.read(); s1.add(a1); getch(); }