C++ Program On Multilevel Inheritance-Accept & Display Details Of Employee/Student.

This is a sample C++ program on multilevel inheritance. Using Multilevel Inheritance, this program accept input from the user and displays the details of a student or employee.


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

class person
{
    private:
       int age;
       char name[20];
    public:
       void read()
         {
            cout<<"Enter Age & Name: ";
            cin>>age;
            gets (name);
         }

       void disp()
         {
            cout<<'\n'<<'\n'<<"******Details Of Person******"<<'\n'<<'\n';
            cout<<"Age: "<<age<<'\n';
            cout<<"Name: ";
            puts (name);
         }
};

class student: public person
{
    private:
       int rollno, clss, marks;
    public:
       void read()
         {
            cout<<"Enter The Roll Number, Class & Marks";
            cin>>rollno>>clss>>marks;
         }

       void disp()
         {
            cout<<"Roll Number: "<<rollno<<'\n';
            cout<<"Class: "<<clss<<'\n';
            cout<<"Marks: "<<marks<<'\n';
         }
};

class employee: public person
{
       int id;
       char desig[25];
       char dept[20];
    public:
       void read()
         {
            cout<<"Enter The Employee ID, Department & Designation: ";
            cin>>id>>dept>>desig;
         }

        void disp()
         {
            cout<<"Employee ID: "<<id<<'\n';
            cout<<"Department: "&l<t;dept<<'\n';
            cout<<"Designation: "<<desig;
         }
};

void main()
{
    clrscr();
    student S[50];
    person P[50];
    employee E[50];
    int n, i, ch;

    cout<<"Enter Limit";
    cin>>n;
    cout<<"******MENU******"<<'\n';

    cout<<"1. Student "<<'\n';
    cout<<"2. Employee "<<'\n';
    cout<<"Enter Your Choice..."<<'\n';

    cin>>ch;
    if (ch==1)
        {
            for (int i=0;i<n;i++)
              {
                 P[i].read();
                 S[i].read();
                 P[i].disp();
                 S[i].disp();
                 cout<<'\n';
              }
        }
    else if (ch==2)
        {
            for (int i=0;i<n;i++)
              {
                 P[i].read();
                 E[i].read();
                 P[i].disp();
                 E[i].disp();
                 cout<<'\n';
              }
        }
    else
        cout<<"Invalid Choice!";
    getch();
}


OUTPUT:

Enter Limit
1

******MENU******
1. Student
2. Employee

Enter Your Choice...
1

Enter Age & Name:
18
Meenakshi

Enter The Roll Number, Class & Marks
24
12
95

******Details Of Person******

Age: 18
Name: Meenakshi
Roll number: 24
Class: 12
Marks: 95