C# Multi-level Inheritance Program sample

Program

using System;

namespace AboutClasses

{

    class Multilevel_Inheritance_Sample

    {

        class person

        {

            string name, adhaar, city;

            public void getData()

            {

                Console.WriteLine("Enter name");

                name = Console.ReadLine();

                Console.WriteLine("Enter Adhaar");

                adhaar = Console.ReadLine();

                Console.WriteLine("Enter the city");

                city = Console.ReadLine();

            }

            public void disData()

            {

                Console.WriteLine("Name   : {0}", name);

                Console.WriteLine("Adhaar : {0}", adhaar);

                Console.WriteLine("City   : {0}", city);

            }

        };

        class Student : person

        {

            string Course;

            public void getCourse()

            {

                Console.WriteLine("Enter Course:");

                Course = Console.ReadLine();

            }

            public void disCourse()

            {

                Console.WriteLine("Course : {0}", Course);

            }

        };

        class Employee : Student

        {

            int Salary;

            public void getSalary()

            {

                Console.WriteLine("Enter Salary");

                Salary = int.Parse(Console.ReadLine());

            }

            public void disSalary()

            {

                Console.WriteLine("Salary :{0}", Salary);

            }

        };

        public static void Main(string[] args)

        {

            Console.WriteLine("1.Person");

            Console.WriteLine("2.Student");

            Console.WriteLine("3.Employee");

            Console.WriteLine("Enter person category (1/2/3)");

            int PersonCategory = int.Parse(Console.ReadLine());

            switch (PersonCategory)

            {

                case 1:

                    Console.WriteLine("Person");

                    person p = new person();

                    p.getData();

                    p.disData();

                    break;

                case 2:

                    Console.WriteLine("Student");

                    Student s = new Student();

                    s.getData();

                    s.getCourse();

                    s.disData();

                    s.disCourse();

                    break;

                case 3:

                    Console.WriteLine("Employee");

                    Employee e = new Employee();

                    e.getData();

                    e.getCourse();

                    e.getSalary();

                    e.disData();

                    e.disCourse();

                    e.disSalary();

                    break;

            }

            Console.ReadKey();

        } //main

    } //Main class

}//namespace

Output 1

1.Person
2.Student
3.Employee
Enter person category (1/2/3)
1
Person
Enter name
Saleema
Enter Adhaar
2303-3939-3333
Enter the city
Didigul
Name   : Saleema
Adhaar : 2303-3939-3333

City   : Didigul

Output 2

1.Person
2.Student
3.Employee
Enter person category (1/2/3)
2
Student
Enter name
Nadhira
Enter Adhaar
2902-3939-3932
Enter the city
Dindigul
Enter Course:
Schooling
Name   : Nadhira
Adhaar : 2902-3939-3932
City   : Dindigul

Course : Schooling

Output 3

1.Person
2.Student
3.Employee
Enter person category (1/2/3)
3
Employee
Enter name
Sheik
Enter Adhaar
9223-4942-3939
Enter the city
Natham
Enter Course
M.Sc
Enter Salary
12000
Name   : Sheik
Adhaar : 9223-4942-3939
City   : Natham
Course : M.Sc

Salary : 12000