Sealed class in C#

1. A sealed class is a class which cannot be inherited by any class.
2. In C#, we can use the "sealed" keyword to define a class as sealed.
3. Sealed class is used when we don't want our class to be inherited by any other class.

SealedExample.cs

----------------

 public sealed class SealedExample

    {

        public int Result(int num1, int num2)

        {

            return num1 * num2;

        }

    }

Program.cs

----------

class Program

    {

        static void Main(string[] args)

        {

            SealedExample se = new SealedExample();

            Console.WriteLine("Result: {0}", se.Result(7, 3));

        }

    }