Hello C#

Start with a tiny C# program that stores a name and prints a greeting.

Hello.cs

using System;

class Program
{
    static void Main()
    {
        string name = ;
        string message = $"Hello, {name}!";

        Console.WriteLine(message);
    }
}

using System;

class Program
{
    static void Main()
    {
        string name = ;
        string message = $"Hello, {name}!";

        Console.WriteLine(message);
    }
}

using System;

class Program
{
    static void Main()
    {
        string name = ;
        string message = $"Hello, {name}!";

        Console.WriteLine(message);
    }
}

Main method A runnable C# console program starts in a `Main` method.