Contoh Program Java Harga Barang

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package javaapplication1;

import java.io.*;

import java.text.NumberFormat;

import java.util.Currency;

import java.util.Locale; import java.util.Scanner;

/**

 *

 * @author Advan

 */

public class NewClass {

    public static void main (String [] args) throws IOException {

        int goods;

        String pil;

        Locale l = new Locale("id", "ID");

    Currency c = Currency.getInstance("IDR");

    NumberFormat nf = NumberFormat.getCurrencyInstance(l);

    nf.setCurrency(c);

        goods=0;

        String op;

        System.out.println("Menu Pilihan :" );

        System.out.println("1. Buku");

        System.out.println("2. Flashdisk");

        System.out.println("3. CD");

        System.out.println("4. HardDisk");

        System.out.print("Masukkan Jenis Barang (1-4) : ");

        int price=0;

        Scanner tg0 = new Scanner(System.in);  

        int tg = Integer.parseInt(tg0.nextLine());

        switch (tg){

            case (1):           

                System.out.print("Masukkan Jumlah Barang : ");

                Scanner bu1 = new Scanner(System.in);  

                goods = Integer.parseInt(bu1.nextLine());

                price=50000;

                break;

            case (2):

                System.out.print("Masukkan Jumlah Barang : ");

                Scanner fl1 = new Scanner(System.in);

                goods = Integer.parseInt(fl1.nextLine());

                price=100000;

                break;

            case (3):

                System.out.print("Masukkan Jumlah Barang : ");

                Scanner cs1 = new Scanner(System.in);

                goods = Integer.parseInt(cs1.nextLine());

                price=10000;

                break;

            case (4):

                System.out.print("Masukkan Jumlah HardDisk : ");

                Scanner dd1 = new Scanner(System.in);

                goods = Integer.parseInt(dd1.nextLine());

                price=500000;

                break;

            default:

                System.out.println("Barang yang anda maksud tidak ada");

                System.exit(1);}

        System.out.println("--------------Terima Kasih------------------");

        int pay = goods*price;

        int discount;

        if (goods>=100) {

            discount = pay*30/100; }

        else if ((goods>50)&(goods<101)) {

            discount = pay*20/100; }

        else {

            discount = 0;}

        int SoPay=pay-discount;

        System.out.println("Total Belanjaan anda : ");

        System.out.println("Total harga : " +nf.format(pay));

        System.out.println("Diskon      : " +nf.format(discount));

        System.out.println("Total Bayar : " +nf.format(SoPay));

    }

}