using System;

​

public class Program

{

    public static void Main()

    {

        int i = 0;

        while (i < 10)

        {

            Console.Write("While statement ");

            Console.WriteLine(i); // Write the index to the screen.

            i++; // Increment the variable.

        }

​

        Console.WriteLine(Environment.NewLine);

        int number = 0;

        // do work first, until condition is satisfied i.e Terminates when number equals 4.

        do

        {

            Console.WriteLine(number); //prints the value from 0-4

            number++; // Add one to number.

        }

        while (number <= 4);

    }

}