[ILUG] OT: Java error \92 (F12,BlueJ,UTF_8)

[Frank Murphy (Frankly3D)]

On 07/11/09 14:56, Colm Buckley wrote:
> On Sat, Nov 7, 2009 at 9:32 AM, Frank Murphy (Frankly3D)
> <frankly3d at gmail.com <mailto:frankly3d at gmail.com>> wrote:
>
>          System.out.print\n("Number   Squared   Cubed"); // this line
>     was the hint we were given
>
>
> This is where you're going wrong.  There are quite a few things wrong
> here - firstly you have a typo; I expect that the 'print\n' should be
> "println", ie: output the string followed by a newline.  This really
> should be obvious; if you don't understand why the \ was a problem, I
> think you might be trying to run before walking.

Tried it, instead of printint 1 to 10, 1to 10 Squared\cubed.
Just prints the string 10 times.

>
> Secondly, what you're outputting is the string "Number   Squared
> Cubed", which presumably isn't what you want.  You can either use the
> Formatter class to convert the numbers into a formatted string and then
> output that string, or you can use the printf method to do it in one
> operation.

As per given hint. Which as you suggest may be incorrect?

>
> Finally, you need the "squared" and "cubed" calculations to be inside
> the loop, not above it; as it stands the code will calculate "squared"
> and "cubed" once, of "number" (which is zero), and then loop around ten
> times printing the result (0, 0, 0).
>
> Something like the below is probably closer to what you want:
>
> public class Table {
>    public static int Squared(int N) {
>      return N * N;
>    }
>    public static int Cubed(int N) {
>      return N * N * N;
>    }
>    public static void main(String[] a) {
>      int Number;
>      for (Number = 1; Number <= 10; Number++) {
>        System.out.printf("%5d %5d %5d\n",
>          Number,
>          Squared(Number),
>          Cubed(Number));
>      }
>    }
> }
>
> This has the feeling of homework; in which case I think you might need
> to look a bit more closely at some examples.  Just getting the answer is
> not the important part of homework; it's understanding the why and how.
>
>     Colm
>
>
It's the how and why, am trying to figure out.
Have checked as many for\while as I could find.
But am blind to the "logic" at times.