Tugas Praktikum 3.8 - 2

RyanAunurR_T382.java

/**
 * @author Ryan Aunur Rassyid
 **/

import java.io.*;

public class RyanAunurR_T382 {
    public static void main(String[] args) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        final int DISKON_5_PERSEN = 5;
        final int DISKON_10_PERSEN = 10;
        final int DISKON_15_PERSEN = 15;

        int noTransaksi, totalBelanja = 0;

        try {
            System.out.print("No. Transaksi : ");
            noTransaksi = Integer.parseInt(reader.readLine());

            System.out.print("Total Belanja : ");
            totalBelanja = Integer.parseInt(reader.readLine());

            int discount = 0;
            int potonganBayar = 0;

            if (totalBelanja > 50_000) {
                discount += 10;
            }
            if (noTransaksi <= 50) {
                discount += 5;
            }

            switch (discount) {
                case DISKON_5_PERSEN:
                    potonganBayar = (int) (totalBelanja * ((double) DISKON_5_PERSEN / 100));
                    break;
                case DISKON_10_PERSEN:
                    potonganBayar = (int) (totalBelanja * ((double) DISKON_10_PERSEN / 100));
                    break;
                case DISKON_15_PERSEN:
                    potonganBayar = (int) (totalBelanja * ((double) DISKON_15_PERSEN / 100));
                    break;
            }

            int totalBayar = totalBelanja - potonganBayar;

            System.out.println("\nPotongan\t: Rp. " + potonganBayar + " (" + discount + "%)");
            System.out.println("Total Bayar : Rp. " + (totalBayar));
        } catch (Exception e) {
            System.out.println("Harap masukkan data dengan benar.");
        }
    }
}