friendclass.cpp

#include <iostream>
using namespace std;

class Student {
private:
    string name;
    int roll;

public:
    Student(string n, int r) {
        name = n;
        roll = r;
    }

    // Declare Display as a friend class
    friend class Display;

    ~Student() {
        cout << "Destructor called for Student: " << name << endl;
    }
};

// Friend class
class Display {
public:
    void showDetails(Student s) {
        cout << "Name: " << s.name << endl;
        cout << "Roll No: " << s.roll << endl;
    }
};

int main() {
    string name;
    int roll;

    cout << "Enter name: ";
    cin >> name;
    cout << "Enter roll number: ";
    cin >> roll;

    Student s(name, roll);
    Display d;

    d.showDetails(s);

    return 0;
}