Read user input from console application and do manipulation

This blog shows on how to Read user input from console application and do manipulation.

This code shows how to read user input from console app and do manipulation

class Program
    {
        static void Main(string[] args)
        {
            double firstNumber, secondNumber;
            string userName;
            Console.WriteLine("Enter your name:");
            userName = Console.ReadLine();
            Console.WriteLine("Welcome {0}!", userName);
            Console.WriteLine("Now give me a number:");
            firstNumber = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("Now give me another number:");
            secondNumber = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("The sum of {0} and {1} is {2}.", firstNumber,
                        secondNumber, firstNumber + secondNumber);
           
            Console.ReadKey();
        }
    }