Variasi Bintang - 6

import javax.swing.*;

public class bintang6 {

    public static void main (String[]args) {

    int angka=Integer.valueOf(JOptionPane.showInputDialog("Masukkan Angka"));

        for (int i=1;i<=angka;i+=2) {

            for (int j=angka;j>i;j--) {

                System.out.print(" ");

            }

            for (int k=1;k<=i;k++) {

                System.out.print(" *");

            }

            System.out.println();

        }

        
 

            for (int i=angka-2;i>=1;i-=2) {

            for (int j=i;j<angka;j++) {

                System.out.print(" ");

            }

            for (int k=1;k<i+1;k++) {

                System.out.print(" x");

            }

            System.out.println();

        }

    }

}

 

Hasilnya :

  *

 ***

*****

 ***

  *