using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("============================");

        Console.WriteLine("   DO WHILE LOOP BY FATIM  ");

        Console.WriteLine("============================");

        Console.WriteLine();

        Boolean i = true;

        int pilihan;

        string yesno;

        do

        {

            Console.WriteLine("Pilihan menu");

            Console.WriteLine("1. Lihat data");

            Console.WriteLine("2. Input data");

            Console.WriteLine("3. Hapus data");

            Console.WriteLine("4. Edit data");

            Console.WriteLine("masukkan pilihan anda");

            pilihan = Int32.Parse(Console.ReadLine());

            Console. WriteLine();

            Console.WriteLine("apakah anda ingin lanjut? y/n");

            yesno = Console.ReadLine().ToLower();

            if (yesno == "n") 

            {

                i = false;

            }

        }

           while (i == true);

        }   

    }

​