C++ Program On Hybrid Inheritance-Display Mark Details Of A Student.

This is a sample program using Hybrid Inheritance. Using Hybrid Inheritance, this program display mark details of a student.


#include <iostream.h>
#include <conio.h>

class student
{
    private:
        int rollno;
        char name [20];
    public:
        void read ( )
           {
              cout << "\n Enter The Roll Number & Name: ";
              cin >> rollno >> name;
           }

        void show ( )
           {
              cout << "\n Roll No = " << rollno;
              cout << "\n Name = " << name;
           }
};

class exam_internal : public student
{
    protected:
        int sub1_marks;
        int sub2_marks;
    public:
        void read_marks ( )
           {
              cout << "Enter Internal Marks Of Subject 1 = ";
              cin >> sub1_marks;
              cout << "Enter Internal Marks Of Subject 2 = ";
              cin >> sub2_marks;
           }

         void display_marks ( )
           {
              cout << "\n Internal Marks Of Subject 1 = " << sub1_marks;
              cout << "\n Internal Marks Of Subject 2 = " << sub2_marks;
           }
};

class exam_external
{
    protected:
        int sub1_ext_marks;
        int sub2_ext_marks;
    public:
        void read_marks ( )
           {
              cout << " Enter External Marks of subject 1 = ";
              cin >> sub1_ext_marks;
              cout << " Enter external marks of subject 2 = ";
              cin >> sub2_ext_marks;
           }

        void display_marks ( )
           {
              cout << "\n External Marks Of Subject 1 = " << sub1_ext_marks;
              cout << "\n External Marks Of Subject 2 = " << sub2_ext_marks;
           }
};

class result : public exam_internal, public exam_external
{
    private:
        int total_marks;
    public:
        void cal_result ( )
           {
              total_marks = sub1_marks + sub2_marks + sub1_ext_marks + sub2_ext_marks;
              cout << " Total Marks Obtained = " << total_marks;
           }
};

int main ( )
{
    clrscr ( );
    result r1;
    cout << " Enter The Details Of Student: \n";
    r1.read ( );

    cout << " Enter The Marks Of Internal Examination: \n";
    r1.exam_internal :: read_marks ( );

    cout <<"\n Enter Marks Of External Examination: \n";
    r1.exam_external :: read_marks ( );

    cout << " Displaying Student Details: \n";
    r1.show ( );

    r1.exam_internal :: display_marks ( );
    r1.exam_external :: display_marks ( );

    cout <<"\n Calculating & Displaying Result \n";
    r1.cal_result ( );

    getch ( );
    return 0;
}


OUTPUT:

Enter The Details Of Student:

Enter The Roll Number & Name:
26
Rishi

Enter The Marks Of Internal Examination:
Enter Internal Marks Of Subject 1 = 85
Enter Internal Marks Of Subject 2 = 89

Enter Marks Of External Examination:
Enter External Marks Of Subject 1 = 94
Enter External Marks Of Subject 2 = 90

Displaying Student Details:

Roll No = 26
Name = Rishi
Internal Marks Of Subject 1 = 85
Internal Marks Of Subject 2 = 89
External Marks Of Subject 1 = 94
External Marks Of Subject 2 = 90

Calculating & Displaying Result
Total Marks Obtained = 358