Program Bintang

class viewerdo3
    {
        public static void main(String[] args)
        {
            int N = 6;
            int i = 2;

            do
            {
                int j = 2;
                do
                {
                    if ((j >= i) || (i == N-1-i))
                    System.out.print("*");
                    else
                    System.out.print("o");
                    j++;
                }
                while (j <= N);
                System.out.println();
                i++;
            }
            while (i <= N);
        }
}