Menghitung Barang Dengan Perulangan

import java.io.*;
public class Barang {
 public static void main(String[] args) throws IOException {
    BufferedReader x=new BufferedReader(new InputStreamReader(System.in));
   
    String a = "";
    System.out.print("Banyaknya data = ");
    a = x.readLine();
    int a1=Integer.parseInt(a);
    System.out.println("");

    String nm="",jml="",harga="";
    for(int i=1;i<=a1;i++) {
      System.out.println("");
      System.out.println("Data barang ke "+i);
      System.out.print("Nama barang  = ");
      nm = x.readLine();
      System.out.print("Jml  barang  = ");
      jml = x.readLine();
      System.out.print("Harga satuan = ");
      harga = x.readLine();
    }
   
   
 }
}