Simple java programs to generate a Triangle and Invert triangle

/*Write a program to generate a Triangle.

  eg:

  1

  2 2

  3 3 3

  4 4 4 4 and so on as per user given number */



class Triangle{

      public static void main(String args[]){

          int num = Integer.parseInt(args[0]);

          for(int i=1;i<=num;i++){

             for(int j=1;j<=i;j++){

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

             }

             System.out.print("\n");

           } 

    }

}







/* Write a program to Display Invert Triangle.

   Example:

          Input - 5

          Output :

          5 5 5 5 5

          4 4 4 4

          3 3 3

          2 2

          1

*/

class InvertTriangle{

      public static void main(String args[]){

           int num = Integer.parseInt(args[0]);

           while(num > 0){

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

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

                }

                System.out.print("\n");

                num--;

            }

      }

}