Syntax Reservasi Hotel

import java.util.Scanner;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author Fernando D H Rotty
 */
public class SystemReservasiHotel {

   /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner masuktotal=new Scanner (System.in);
        int Room = 0;
        int Suite=500000, Deluxe=400000, Superior=300000, Standrad=250000;
        int harga, diskon, waktu, uang, kembali;

        System.out.println("WELCOME TO INSOMNIA HOTEL");
        System.out.println();
        System.out.println("RESERVASI SEKARANG DAN DAPATKAN DISKON 15% UNTUK PEMESANAN KAMAR MINIMAL 4 HARI ATAU LEBIH !!!");
        System.out.println();
        System.out.println("DAFTAR HARGA\n1. Suite Room = Rp.500.000,-\n2. Deluxe Room = Rp.400.000,-\n3. Superior Room = Rp.300.000,-\n4. Standrad Room = Rp.250.000,-");

        System.out.print("Masukan Nomor Kode Room = ");
        int room = masuktotal.nextInt();

        switch (room){
            case 1: System.out.println("Anda akan memesan Suite Room");
            System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Silahkan Masukan Berapa Hari anda akan Menginap = ");
                    waktu = masuktotal.nextInt();
                    harga = waktu*500000;
                    System.out.println("Harga = Rp."+harga+",-");
                    if(waktu>=4){
                    diskon=((harga*15)/100);
                        System.out.println("diskon = Rp."+diskon+",-");
                        harga = (harga-diskon);
                    System.out.println("Total Harga = Rp."+harga+",-");
                    }
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Masukan Uang yang diberikan Rp.");
                    uang = masuktotal.nextInt();
                    kembali=(uang-harga);
                    System.out.println("Kembalian Anda = Rp."+kembali+",-");
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.println("\"Reservasi Anda Sedang di Proses\"");
                    System.out.println();
                    System.out.println("Terima Kasih Atas Pemesanan Anda");
                    System.out.println("Kepuasan Anda adalah Tujuan Kami");
                    System.out.println();
                    System.out.println("================ Fernando D H Rotty ================");
                    break;
            case 2: System.out.println("Anda akan memesan Deluxe Room");
            System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Silahkan Masukan Berapa Hari anda akan Menginap = ");
                    waktu = masuktotal.nextInt();
                    harga = waktu*400000;
                    System.out.println("Harga = Rp."+harga+",-");
                    if(waktu>=4){
                    diskon=((harga*15)/100);
                        System.out.println("diskon = Rp."+diskon+",-");
                        harga = (harga-diskon);
                    System.out.println("Total Harga = Rp."+harga+",-");
                    }
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Masukan Uang yang diberikan Rp.");
                    uang = masuktotal.nextInt();
                    kembali=(uang-harga);
                    System.out.println("Kembalian Anda = Rp."+kembali+",-");
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.println("\"Reservasi Anda Sedang di Proses\"");
                    System.out.println();
                    System.out.println("Terima Kasih Atas Pemesanan Anda");
                    System.out.println("Kepuasan Anda adalah Tujuan Kami");
                    System.out.println();
                    System.out.println("================ Fernando D H Rotty ================");
                    break;
            case 3: System.out.println("Anda akan memesan Standrad Room");
            System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Silahkan Masukan Berapa Hari Anda akan Menginap = ");
                    waktu = masuktotal.nextInt();
                    harga = waktu*300000;
                    System.out.println("Harga = Rp."+harga+",-");
                    if(waktu>=4){
                    diskon=((harga*15)/100);
                        System.out.println("diskon = Rp."+diskon+",-");
                        harga = (harga-diskon);
                    System.out.println("Total Harga = Rp."+harga+",-");
                    }
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Masukan Uang yang diberikan Rp.");
                    uang = masuktotal.nextInt();
                    kembali=(uang-harga);
                    System.out.println("Kembalian Anda = Rp."+kembali+",-");
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.println("Terima Kasih Atas Pemesanan Anda");
                    System.out.println("Kepuasan Anda adalah Tujuan Kami");
                    System.out.println();
                    System.out.println("================ Fernando D H Rotty ================");
                    break;
        case 4: System.out.println("Anda akan memesan Standrad Room");
            System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Silahkan Masukan Berapa Hari Anda akan Menginap = ");
                    waktu = masuktotal.nextInt();
                    harga = waktu*200000;
                    System.out.println("Harga = Rp."+harga+",-");
                    if(waktu>=4){
                    diskon=((harga*15)/100);
                        System.out.println("diskon = Rp."+diskon+",-");
                        harga = (harga-diskon);
                    System.out.println("Total Harga = Rp."+harga+",-");
                    }
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.print("Masukan Uang yang diberikan Rp.");
                    uang = masuktotal.nextInt();
                    kembali=(uang-harga);
                    System.out.println("Kembalian Anda = Rp."+kembali+",-");
                    System.out.println();
                    System.out.println("====================================================");
                    System.out.println();
                    System.out.println("Terima Kasih Atas Pemesanan Anda");
                    System.out.println("Kepuasan Anda adalah Tujuan Kami");
                    System.out.println();
                    System.out.println("================ Fernando D H Rotty ================");
                    }
        }
}