Display Class

import java.util.Scanner;

public class Display
{
   public static void main(String [] args)
   {
       Scanner scan = new Scanner(System.in);
       String Rtujuan,Katm,pin;
       int menu,flag,confirm;
       System.out.println("______________________________");
       System.out.println("Selamat Datang Di ATM BANK BNI non Tunai");
       System.out.println("______________________________");
       System.out.println("");
       System.out.println("Silahkan Masukkan Kartu Anda");
       System.out.println("");
       System.out.println("Tekan 0 untuk Cancel");

       ATM TF = new ATM();
       Katm = scan.nextLine();

       if(Katm.equals("0"))
       {
           System.out.println(" Terimakasih ");
        }

       else if(Katm.equals("Kartu BNI"))
       {
           System.out.println("Silahkan Masukkan PIN Anda");
           pin = scan.nextLine();

           boolean temp = true;

           while(temp)
           {
               if(pin.equals("111222"))
               {
                   flag = 1;
                }
               else
               {
                   flag = 0;
                }

               System.out.println("______________________________");
               System.out.println("Menu");
               System.out.println("");
               System.out.println("1. Transfer ");
               System.out.println("2. Cek Saldo");
               System.out.println("3. Keluar");
               System.out.println("");
               System.out.println("______________________________");

               menu = scan.nextInt();
               String keluar;
               switch(menu)
               {
                case  1 :
                Scanner scan2 = new Scanner(System.in);
                System.out.println("");
                System.out.println("");
                System.out.println("Masukkan Nomor Rekening Tujuan");
                Rtujuan = scan2.nextLine();
                if(Rtujuan.equals("123456789"))
                {
                   int tf;
                   System.out.println("");
                   System.out.println("");
                   System.out.println("Masukkan Jumlah Nominal Transfer");
                   tf = scan.nextInt();
                   TF.Transfer(tf);
                   TF.CekTujuan();
                   System.out.println("");
                   System.out.println("1. Setuju");
                   System.out.println("0. Cancel");
                   Scanner scan4 = new Scanner(System.in);
                   confirm = scan.nextInt();
                   if(confirm == 0)
                   {
                       System.out.println("");
                       System.out.println("Terimakasih");
                    }

                   if(confirm ==1 && flag == 1)
                   {
                       Scanner scan6 = new Scanner(System.in);
                       System.out.println("Transaksi Berhasil ");

                        System.out.println("Apakah anda ingin melakukan transaksi lain");
                        System.out.println("1. Ya ");
                        System.out.println("0. Tidak");
                   keluar = scan6.nextLine();
                   if(keluar.equals("1")){
                                temp = true;
                            }else{
                                temp = false;
                                System.out.println("");
                                System.out.println("");
                                System.out.println("__________________________________");
                                TF.printStruk();
                                System.out.println("______________________________");
                                System.out.println("");
                                System.out.println("");
                                System.out.println
                                ("Terima Kasih telah menggunakan ATM BNI non- Tunai ");
                            }
                    }
                   else if(tf== 0)
                   {
                       System.out.println("Terimakasih");
                    }
                   else if(flag == 0)
                   {
                       Scanner scan3 = new Scanner(System.in);
                       System.out.println("Masukkan Pin Anda yang Benar");
                       String pin2 = scan3.nextLine();
                       if(pin2.equals("111222"))
                       {
                           TF.printStruk();
                        }
                    }
                   }
                   break;
                   case 2 :
                   Scanner scan5 = new Scanner(System.in);
                   System.out.println("Saldo anda sekarang Rp " + TF.getSaldo());
                   System.out.println("Apakah anda ingin melakukan transaksi lain");
                    System.out.println("1. Ya ");
                        System.out.println("0. Tidak");
                   keluar = scan5.nextLine();
                   if(keluar.equals("1")){
                                temp = true;
                            }else{
                                temp = false;
                                System.out.println
                                ("Terima Kasih telah menggunakan ATM BNI non- Tunai ");
                            }
                   break;
                   case 3 :
                   System.out.println
                                ("Terima Kasih telah menggunakan ATM BNI non- Tunai ");
                   temp=false;
                   break;
                }
                }
                }
            }
            }