Write a Java Program To Print following Pattern:

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

Sol:  class PtrNum1 {

         public static void main( String arg[]) {

         for(int i=1;i<=5;i++) {

            for(int j=1;j<=i;j++) {

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

            }

           System.out.println();

        }

    }

}

Output: