public void format_order()
Console.WriteLine("\nMasukkan nama lengkap anda: ");
string input_nama = Console.ReadLine();
Console.WriteLine("\nMasukkan nomor handphone anda: ");
long nomor1 = Convert.ToInt64(Console.ReadLine());
Console.WriteLine("\n\tMohon masukkan alamat lengkap Anda");
Console.WriteLine("\nNama Jalan: ");
string alamat1 = Console.ReadLine();
Console.WriteLine("\nRT/RW: ");
string alamat2 = Console.ReadLine();
Console.WriteLine("\nKelurahan: ");
string alamat3 = Console.ReadLine();
Console.WriteLine("\nKecamatan: ");
string alamat4 = Console.ReadLine();
Console.WriteLine("\nKabupaten/Kota: ");
string alamat5 = Console.ReadLine();
Console.WriteLine("\nProvinsi: ");
string alamat6 = Console.ReadLine();
Console.WriteLine("\nKode pos: ");
string alamat7 = Console.ReadLine();
Console.WriteLine("\n\nPRODUK AKAN DIKIRIMKAN ATAS NAMA: " + this.name);
Console.WriteLine("\n\nDENGAN NOMOR HP: " + this.nomor1);
Console.WriteLine("\n\nPRODUK AKAN DIKIRIMKAN KE ALAMAT: \n" + alamat1 + ", " + alamat2 + ", " + alamat3 +", " + alamat4 +", " + alamat5 +", " + alamat6 + ", " + alamat7 + ".\n");