Program.cs
 

using System;

namespace MyApplication
{
  class Program
  {
    static void Main(string[] args)
    {
      int myNum = 5;               // integer (whole number)
      float myFloatNum = 5.99f;    // floating point number
      char myLetter = 'D';         // character
      bool myBool = true;          // boolean
      string myText = "Hello";     // string
      Console.WriteLine(myNum);
      Console.WriteLine(myFloatNum);
      Console.WriteLine(myLetter);
      Console.WriteLine(myBool);
      Console.WriteLine(myText);
    }
  }
}

Result:
5
5.99
D
true
Hello