Reservasi Tiket

import java.util.*;

public class NewClass4 {

    public static void main(String[] args) {
        Scanner jo = new Scanner(System.in);
        String[][] ID = new String[2][2];
        String[][] cek = new String[][]{{" Jenis Transportasi ", " Kode Tiket ", " Tanggal Keberangkatan ", " Tempat Keberangkatan ", " Tempat Tujuan "},
            {" 1. Kereta ", "5TGYAZ", " 15 Juli 2020 ", " PSE ", " SURABAYA "},
            {" 2. Pesawat ", "7HYGAT", " 16 Juli 2020 ", " CGK ", " MALANG "},
            {" 3. Kereta ", "9HAGST", " 17 Juli 2020 ", " GMR ", " YOGYAKARTA "}};
        String nama, pass;
        String[] kode = new String[3];
        kode[0] = "Kereta\n5TGYAZ\n17 Juli 2020\nPSE\nSURABAYA";
        int pilih;
        ID[0][0] = "admin";
        ID[0][1] = "admin";
        while (true) {
            menu1();
            pilih = jo.nextInt();
            switch (pilih) {
                case 1:
                    System.out.println("Username : ");
                    nama = jo.next();
                    System.out.println("Password : ");
                    pass = jo.next();
                    if (login(ID, nama, pass)) {
                        System.out.println("\nAnda berhasil login!!\n");
                    } else {
                        System.out.println("\nAnda belum terdaftar");
                        System.out.println("Silahkan mendaftar terlebih dahulu\n");
                        daftar(ID, nama, pass);
                        break;
                    }
                    if (login(ID, nama, pass)) {
                        cetakMenu2();
                        do {
                            pilih = jo.nextInt();
                            switch (pilih) {
                                case 1:
                                    cek1(ID, pass, kode);
                                    break;
                                case 2:
                                    batal(ID, kode);
                                    cetakMenu2();
                                    break;
                                case 3:
                                    cek(cek);
                                    cek2(ID, pass, kode);
                                    break;
                                case 4:
                                    changePass();
                                    cetakMenu2();
                                    break;
                                case 5:
                                    exit();
                                    break;
                            }
                        } while (true);
                    }
                case 2:
                    System.out.println("Input Username :");
                    nama = jo.next();
                    ID[1][0] = nama;
                    System.out.println("Input Password :");
                    pass = jo.next();
                    ID[1][1] = pass;
                    break;
                case 3:
                    exit();
            }
        }
    }

    static boolean login(String[][] ID, String nama, String pass) {
        for (int i = 0; i < ID.length; i++) {
            if (nama.equalsIgnoreCase(ID[i][0]) && pass.equals(ID[i][1])) {
                return true;
            }
        }
        return false;
    }

    static void daftar(String[][] ID, String nama, String pass) {
        Scanner in = new Scanner(System.in);
        System.out.println("Input Username :");
        nama = in.nextLine();
        ID[1][0] = nama;
        System.out.println("Input Password :");
        pass = in.nextLine();
        ID[1][1] = pass;
    }

    static void menu1() {
        System.out.println("1.Login");
        System.out.println("2.Daftar");
        System.out.println("3.Exit");
    }

    static void cetakMenu2() {
        System.out.println("1. Cek");
        System.out.println("2. Batal");
        System.out.println("3. Pesan");
        System.out.println("4. Ubah Pass");
        System.out.println("5. Exit");
    }

    static void exit() {
        System.out.println("Terima Kasih");
        System.exit(0);
    }

    static void cek1(String[][] ID, String pass, String[] kode) {
        for (int i = 0; i < ID.length-1; i++) {
            if (pass.equalsIgnoreCase(ID[i][1])) {
                System.out.println(kode[i]);
            }
        }
        cetakMenu2();
    }

    static void cek2(String[][] ID, String pass, String[] kode) {
        for (int i = 0; i < ID.length-1; i++) {
            if (pass.equalsIgnoreCase(ID[i][1])) {
                kode[i] = kode[i + 1];
            }
        }
        cetakMenu2();
    }

    static void cek(String[][] cek) {
        Scanner jo = new Scanner(System.in);
        int[] tiket = new int[10];
        int counter = 0;
        for (int j = 0; j < 4; j++) {
            for (int k = 0; k < 4; k++) {
                System.out.printf("%-25s", cek[j][k]);
            }
            System.out.println("");
        }
        System.out.println("");
        System.out.print("Masukkan pilihan tiket : ");
        tiket[counter] = jo.nextInt();
        jo.nextLine();
        int j = tiket[counter] - 1;
        counter++;
        System.out.println("");
        System.out.println("Tiket yang telah anda pesan : ");
        for (int k = 0; k < counter; k++) {
            System.out.println("Tiket ke-" + (k + 1));
        }
    }

    static String changePass() {
        Scanner in = new Scanner(System.in);
        System.out.print("Masukkan Password baru : ");
        String j;
        j = in.next();
        while (j.length() < 5) {
            System.out.println("Minimal 5 karakter");
            System.out.println("Masukkan Password baru : ");
            j = in.next();
        }
        return j;
    }
    static void batal(String[][] ID, String[] kode){
        for (int i = 0; i < ID.length; i++) {
            if (ID[i] == ID[0]) {
                for (int j = i; j < kode.length - 1; j++) {
                    kode[j] = kode[j + 1];
                }
                break;
            }
        }
        System.out.println("Pesanan di Batalkan");
    }
}