Segitiga Bintang

public class bintang
{
            public static void cetakbintang()
            {
            int a, b;

            for(a=0;a<6;a++)
            {
                        System.out.println();
                        for(b=a;b<6;b++)
                        {
                                    System.out.print("*");
                        }
            }
            }
            public static void main (String[] args)
            {
                        System.out.println("SEGITIGA BINTANG BERNILAI 4");
                        System.out.println();
                        cetakbintang();
                        System.out.println("\n");
            }
}