Print numbers in pyramid shape

package javaprgms;

public class Pyramidshape {

            public static void main(String[] args) {

                        int num=10;

                        for (int i = 1; i < num; i++) {

                                    for (int j = 1; j<=num-i;j++) {

                                                System.out.print(" ");

                                    }

                                    for (int k = 1; k <= i; k++) {

                                                System.out.print(""+k+" ");

                                    }

                                    for (int l =i-1; l >0; l--) {

                                                System.out.print(""+l+" ");

                                    }

                                    System.out.println();

                        }

            }

}

Output:

          1

        1 2 1

       1 2 3 2 1

      1 2 3 4 3 2 1

     1 2 3 4 5 4 3 2 1

    1 2 3 4 5 6 5 4 3 2 1

   1 2 3 4 5 6 7 6 5 4 3 2 1

  1 2 3 4 5 6 7 8 7 6 5 4 3 2 1

 1 2 3 4 5 6 7 8 9 8 7 6 5 4 3 2 1