cpp-oop-lab-programs/Program 23 - Scope Resolution Operator.cpp at main · Divyansh11x/cpp-oop-lab-programs · GitHub

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#include <iostream>
using namespace std;

class Student
{
private:
    int roll;

public:
    void input();
    void display();
};

void Student::input()
{
    cout << "Enter Roll Number: ";
    cin >> roll;
}

void Student::display()
{
    cout << "Roll Number = " << roll;
}

int main()
{
    Student s;

    s.input();
    s.display();

    return 0;
}