import java.io.*; //java girdi cikti sinifini cagir
import javax.swing.*;

class star
 {    public static void main(String args[])
      {
	      final String star = "*";
          String s1=star+"\n";
          String s2="   "+s1;
          String s3="   "+s2;
          String s4="   "+s3;
          String s=s4+s3+s2+s1;
          JOptionPane.showMessageDialog(null,s,"star graphic",JOptionPane.PLAIN_MESSAGE);
     }
 }
