Aplikasi Pembelian Barang

import java.util.*;
/**
 * Aplikasi Pembelian Barang
 * Recoded by H3xagon a.k.a Denny Septian
 */
public class BuyBarang {
  public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    String yesh3x = "y";
    String noh3x = "n";
    String tambah_namabarang,nama_konsumen,nama_barang,belilagi, bonus = "";
    double tambah_hargabarang,harga_barang,diskonh3x = 0, diskon = 0, total_harga, total_bayar, totalbelanja, totalh3x;
    int tambah_jumlahbarang,jml_barang;

    System.out.println("============== APLIKASI PEMBELIAN BARANG ==============");
    System.out.print("Nama Konsumen : ");
    nama_konsumen = scan.nextLine();
    System.out.print("Nama Barang : ");
    nama_barang = scan.nextLine();
    System.out.print("Harga Barang : ");
    harga_barang = scan.nextDouble();
    System.out.print("Jumlah Barang : ");
    jml_barang = scan.nextInt();
    System.out.println("============== APLIKASI PEMBELIAN BARANG ==============");

    System.out.print("\nMau Belanja lagi? y/n : ");
    belilagi = scan.next();

    // Jika Yes , Maka akan belanja di ulang
    if (belilagi.equals(yesh3x)) {
        System.out.println("\n\n============== BELI BARANG LAGI ==============");
        System.out.print("Nama Barang : ");
        tambah_namabarang = scan.next();
        System.out.print("Harga Barang : ");
        tambah_hargabarang = scan.nextDouble();
        System.out.print("Jumlah Barang : ");
        tambah_jumlahbarang = scan.nextInt();
        System.out.println("============== BELI BARANG LAGI ==============");
        totalh3x = harga_barang * jml_barang + tambah_hargabarang * tambah_jumlahbarang;
        System.out.println("\n\n============== KERANJANG BELANJA ANDA ==============");
        System.out.println("| Konsumen : " + nama_konsumen);
        System.out.println("| Nama Barang : " + nama_barang);
        System.out.println("| Harga Barang : " + harga_barang);
        System.out.println("| Jumlah Barang : " + jml_barang);
        System.out.println("|");
        System.out.println("| Nama Barang : " + tambah_namabarang);
        System.out.println("| Harga Barang : " + tambah_hargabarang);
        System.out.println("| Jumlah Barang : " + tambah_jumlahbarang);
        System.out.println("|");
        if (totalh3x >= 1000000) {
            diskonh3x = totalh3x * 10 / 100;
            totalh3x = totalh3x - diskonh3x;
            System.out.println("| Diskon = 10%");
        } else if (totalh3x >= 500000) {
            diskonh3x = totalh3x * 5 / 100;
            totalh3x = totalh3x - diskonh3x;
            System.out.println("| Diskon = 5%");
        }
        System.out.println("============== KERANJANG BELANJA ANDA ==============");
        totalbelanja = harga_barang * jml_barang + tambah_hargabarang * tambah_jumlahbarang;
        System.out.println("\n\n============== TOTAL BELANJA ==============");
        System.out.println("Total Belanja : " + totalbelanja);
        System.out.println("Diskon (Rp) : " + diskonh3x);
        System.out.println("Total Bayar : " + totalh3x);
        System.out.println("===========================================");
    } else if (belilagi.equals(noh3x)) {
        // Jika No , Maka akan belanja tidak di ulang
        total_harga = harga_barang * jml_barang;
        System.out.println("\n\n============== KERANJANG BELANJA ANDA ==============");
        System.out.println("| Konsumen : " + nama_konsumen);
        System.out.println("| Nama Barang : " + nama_barang);
        System.out.println("| Harga Barang : " + harga_barang);
        System.out.println("| Jumlah Barang : " + jml_barang);
        if (total_harga >= 500000) {
            diskon = total_harga * 10 / 100;
            total_harga = total_harga - diskon;
            System.out.println("| Diskon = 10%");
        } else if (total_harga >= 250000) {
            diskon = total_harga * 5 / 100;
            total_harga = total_harga - diskon;
            System.out.println("| Diskon = 5%");
        }
        System.out.println("============== KERANJANG BELANJA ANDA ==============");
        total_bayar = harga_barang * jml_barang;
        System.out.println("\n\n============== TOTAL BELANJA ==============");
        System.out.println("Total Belanja : " + total_bayar);
        System.out.println("Diskon (Rp) : " + diskon);
        System.out.println("Total Bayar : " + total_harga);
        System.out.println("===========================================");
    }
  }
}