i-Kios Pesawat

import java.util.Scanner;
import java.util.List;
import java.util.ArrayList;
import java.time.LocalDate;

public class TiketPesawat
{
    private enum Bandara {
        AhmadYani, Djuanda, SoekarnoHatta
    };
    private List<String> nomorHp = new ArrayList<String>();
    private List<String> nomorIdentitas = new ArrayList<String>();
    private Bandara bandaraDari, bandaraKe;
    private int jumlahPenumpang;
    private int harga;
    private LocalDate tanggalKeberangkatan;
    Scanner scan = new Scanner(System.in);

    public void beliTiketPesawat()
    {
        System.out.println("Masukkan Jumlah Penumpang: ");
        jumlahPenumpang = scan.nextInt();
        for(int i = 0; i < jumlahPenumpang; i++)
        {
            System.out.println("Masukkan Nomor Identitas Penumpang " + (i+1) + ": ");
            nomorIdentitas.add(scan.next());

            System.out.println("Masukkan Nomor HP Penumpang " + (i+1) + ": ");
            nomorHp.add(scan.next());
        }

        System.out.println("Masukkan Tanggal Keberangkatan (yyyy-mm-dd): ");
        tanggalKeberangkatan = LocalDate.parse(scan.next());
        System.out.println("");

        System.out.println("Pilih Bandara Keberangkatan");
        System.out.println("1. Ahmad Yani");
        System.out.println("2. Djuanda");
        System.out.println("3. Soekarno-Hatta");
        bandaraDari = kodeToBandara(scan.nextInt());
        System.out.println("");

        System.out.println("Pilih Bandara Tujuan");
        System.out.println("1. Ahmad Yani");
        System.out.println("2. Djuanda");
        System.out.println("3. Soekarno-Hatta");
        bandaraKe = kodeToBandara(scan.nextInt());
        System.out.println("");

        if (bandaraDari == bandaraKe) {
            System.out.println("Bandara tidak boleh sama!");
            return;
        }

        hitungHarga();
        printNota();
    }

    public void hitungHarga()
    {
        if((bandaraDari == Bandara.AhmadYani && bandaraKe == Bandara.Djuanda) || (bandaraDari == Bandara.Djuanda && bandaraKe == Bandara.AhmadYani))
            harga = 300000;
        else if((bandaraDari == Bandara.AhmadYani && bandaraKe == Bandara.SoekarnoHatta) || (bandaraDari == Bandara.SoekarnoHatta && bandaraKe == Bandara.AhmadYani))
            harga = 400000;
        else if((bandaraDari == Bandara.Djuanda && bandaraKe == Bandara.SoekarnoHatta) || (bandaraDari == Bandara.SoekarnoHatta && bandaraKe == Bandara.Djuanda))
            harga = 500000;

        harga = harga * jumlahPenumpang;
    }

    public void printNota()
    {
        System.out.println("######################################");
        System.out.println("# I-Kios");
        System.out.println("# TiketPesawat");
        for(int i = 0; i < jumlahPenumpang; i++)
        {
            System.out.println("# Nomor Identitas Penumpang " + (i+1) + ": " + nomorIdentitas.get(i));
            System.out.println("# Nomor HP Penumpang "+ (i+1) + ": " + nomorHp.get(i));
        }
        System.out.println("# Tanggal Keberangkatan: " + tanggalKeberangkatan);
        System.out.println("# Bandara Dari: " + bandaraToString(bandaraDari));
        System.out.println("# Bandara Ke: " + bandaraToString(bandaraKe));
        System.out.println("# Harga: " + harga);
        System.out.println("######################################");
    }

    private Bandara kodeToBandara(int kode) {
        switch (kode) {
            case 1:
                return Bandara.AhmadYani;
            case 2:
                return Bandara.Djuanda;
            case 3:
                return Bandara.SoekarnoHatta;
            default:
                return null;
        }
    }

    private String bandaraToString(Bandara bandara) {
        switch (bandara) {
            case AhmadYani:
                return "Ahmad Yani";
            case Djuanda:
                return "Djuanda";
            case SoekarnoHatta:
                return "Soekarno-Hatta";
            default:
                return null;
        }
    }
}