BINTANG1 JAVA BY Heru Uchiha

/import javax.swing.*;
public class tugas_bintang1 {
    public static void main (String[] args){
        int x;
        x=Integer.valueOf(JOptionPane.showInputDialog("Masukan banyak Bintang ?"));
                        for (int i=1;i<=x;i++) {
                            for (int j=1;j<=x;j++){
                                if (j<=i)
                                    System.out.print("*");
                                else
                                    System.out.print(" ");

                            }
                            System.out.println();
                        }
    }
}