Menampilkan Deret Fibonaci Menggunakan JCreator (JAVA)

import java.io.*;
public class fiboaci
{
public static void main (String [] args)throws IOException
{
    int x = 1, y = 1, z = 1;
    DataInputStream a = new DataInputStream (System.in);
    System.out.print ("Masukan Angka = ");
    int b = Integer.parseInt (a.readLine());
   
    for (int i = 0; i < b; i++)
    {
       
        System.out.print (z + ", ");
        z = x + y;
        x = y;
        y = z;
    }
    System.out.print (" ");
}
}