Single Inheritance Example in C++

#include<iostream.h>

#include<conio.h>

class student

{

          public:

          int rno;

          char name[20];

          void getdata()

          {

                   cout<<"Enter RollNo :- \t";

                   cin>>rno;

                   cout<<"Enter Name :- \t";

                   cin>>name;

                  

          }

         

};

class marks : public student

{

public:

          int m1,m2,m3,tot;

          float per;

          void getmarks()

          {

                   getdata();

                   cout<<"Enter Marks 1 :- \t";

                   cin>>m1;

                   cout<<"Enter Marks 2 :- \t";

                   cin>>m2;

                   cout<<"Enter Marks 2 :- \t";

                   cin>>m3;

          }

          void display()

          {

                   getmarks();

                   cout<<"Roll Not \t Name \t Marks1 \t marks2 \t Marks3 \t Total \t Percentage";

                    cout<<rno<<"\t"<<name<<"\t"<<m1<<"\t"<<m2<<"\t"<<m3<<"\t"<<tot<<"\t"<<per;

          }

};

void main()

{

          student std;

          clrscr();

          std.getmarks();

          std.display();

          getch();

}