Membuat struk belanja dengan java

import java.io.*;
import java.text.NumberFormat;



public class Latihan4 {

    public static void main(String args[]) {
        try {
            String nama, na_brg;
         String nm;
            double prc, qty, sum, sum_total, pajak_total, pajak = 0.025;




            System.out.println("============================");
            System.out.println("-Program Hitung Pembayaran-");
            System.out.println("============================");
            BufferedReader type = new BufferedReader(new InputStreamReader(System.in));

            System.out.print("Nama        : ");
            nama = type.readLine();

            System.out.print("Nama Barang    : ");
            na_brg = type.readLine();
           
            System.out.print("Banyak Barang    : ");
            qty = Integer.parseInt(type.readLine());
           
            System.out.print("Harga Barang    : ");
            prc = Integer.parseInt(type.readLine());
           
            sum = qty * prc;
            pajak_total = (sum * pajak);
            sum_total = pajak_total + sum;
          
            System.out.println("==========NOTA PEMBAYARAN==========");
            System.out.println("Jumlah        :  " +NumberFormat.getCurrencyInstance().format(sum));
            System.out.println("Pajak         :  " +NumberFormat.getCurrencyInstance().format(pajak_total));
            System.out.println("Total Bayar   :  " +NumberFormat.getCurrencyInstance().format(sum_total));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}