FriendClass.cpp

#include<iostream>
using namespace std;

class Marvellous
{
    public:
        void fun();    //Member function
        void gun();     //Member function
};

class Demo
{
    public:
        int i;
    private:
        int j;
    protected:
        int k;
    public:
        Demo()
        {
            i = 10;
            j = 20;
            k = 30;
        }
    
    friend class Marvellous;
};

void Marvellous ::fun()  // member Function
{

    Demo obj;
    cout<<"inside fun\n";
    cout<<"Value of i :"<<obj.i<<"\n";
    cout<<"Value of j :"<<obj.j<<"\n";
    cout<<"Value of k :"<<obj.k<<"\n";
}

void Marvellous ::gun()  // member Function
{

    Demo obj;
    cout<<"inside gun\n";
    cout<<"Value of i :"<<obj.i<<"\n";
    cout<<"Value of j :"<<obj.j<<"\n";
    cout<<"Value of k :"<<obj.k<<"\n";
}



int main()
{
    Marvellous mobj;
    mobj.fun();
    mobj.gun();

    return 0;
}