#include <iostream>
using namespace std;
class student{
    private:
    int rollno;
    string name;
    int age;
    
    public:
    void getdetails(){
        cout<<"enter data"<<endl;
        cin>>rollno>>name>>age;
        cout<<name<<endl
            <<rollno<<endl
            <<age<<endl;
}
};
    
int main() {
    student s1;
    s1.getdetails();
    return 0;
}

//encapsulation---> wrapping of data members( and member functions in
//                  a single unit is called encapsulation.Data members 
//                  and member functions are tightly bounded ,i.e they 
//                  both should be inside the same class...(single unit).