C# Example program for do while

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace @while

{

    class Program

    {

        static void Main(string[] args)            

        {

            int i = 1;

            while (i < 5)

             //while (i++ < 8)

           //  while (++i < 5)

           //  while (i-- < 5)

          //  while (--i < 5)

            {

                Console.WriteLine(i);

                i++;

            }

            Console.ReadLine();

        }

    }

}