Answer Posted / jatin

NO,It is not mandatory to write abstract members in Abstract
Class. I Repeat <IT IS NOT MANDATORY> ,If anyone have doubt
regarding this than simply make a program then everything
will be cleared, FOR YOUR CLARIFICATION I AM MAKING 1 SIMPLE
PROGRAMME FOR U GUYS
HOPE U WILL ENJOY AFTER READING THIS ..

program in console application:

namespace ConsoleApplication1
abstract class absClass
{
//A Non abstract method
protected virtual int AddTwoNumbers(int a, int b)
{
return a + b;
}

}
class absDerived : absClass
{
protected override int AddTwoNumbers(int Num1, int Num2)
{
int n = Num1 + Num2;
Console.WriteLine("sum of method is:" + n);
return n;
}
static void Main()
{
//You can create an
//instance of the derived class
absDerived calculate = new absDerived();
int sum = calculate.AddTwoNumbers(10, 20);
Console.WriteLine("{0}", sum);
Console.Read();
}
}
}


All the best ... :)

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