a program to generate a 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");
  }
 }
}