Simple console application using abstract Class

Simple console application using abstract Class

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplicationSample

{

    //class abstractSample

    //{

    //}

    //Creating an Abstract Class

    abstract class absClass

    {

        //A Non abstract method

        public int AddTwoNumbers(int Num1, int Num2)

        {

            return Num1 + Num2;

        }

        //An abstract method, to be overridden in derived class

        public abstract int MultiplyTwoNumbers(int Num1, int Num2);

    }

    //A Child Class of absClass

    class absDerived : absClass

    {

        static void Main(string[] args)

        {

            //You can create an instance of the derived class

            absDerived calculate = new absDerived();

            int added = calculate.AddTwoNumbers(10, 20);

            int multiplied = calculate.MultiplyTwoNumbers(10, 20);

            Console.WriteLine("Added : {0},  Multiplied : {1}", added, multiplied);

            Console.ReadLine();

        }

        //using override keyword, implementing the abstract method MultiplyTwoNumbers

        public override int MultiplyTwoNumbers(int Num1, int Num2)

        {

            return Num1 * Num2;

        }

    }

}

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