Program Bilangan Ganjil

import javax.swing.*;
class ganjil
    {
        public static void main(String[]args)
        {
            int bilangan,hasil;
            String b = JOptionPane.showInputDialog("Masukan bilangan = ");
            bilangan = Integer.parseInt(b);
            for(int i =1; i<=bilangan; i++)
            { System.out.print(2 +"*"+ i + "-" + 1 + "=");
                hasil = 2*i-1;
                System.out.println(hasil);
               
            }
            System.out.println(bilangan + "bilangan");
        }
    }