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Thank you muchly for this, I'll have a go at converting it and post again.

OK, maybe the stuff I'm working with won't translate to here (or not without putting pages of examples up!!) Is there any way please, that you could show or explain how I could print a two...

There is nothing else - Exception: line 2. java.lang.NullPointerException
is all that it says!626

Sorry I can't give you more to go on!!!

Hi - sorry about the formatting error!

The error code is when I try to run it, it does compile ok. We have a workspace where we can try things out in which I enter this:

LEDDisplay led = new...

Hi, I've only been java'ing for a few months and am struggling with the latest assignment. I'd be really grateful if anyone could help. I need to print a two dimensional boolean array substituting a...