The error message mentions a null pointer exception. I know what this means; attempting to access an object that doesn't exist, but as far as I can see blueball, redball and thepassage have all been declared correctly :-s
Hopefully someone will know why I can't get this to work properly, as I've been trying to suss it outy myself for the last four hours and am not getting anywhere.
It's a simple program to display two balls and a 'passage' (three rectangles at this stage) on a 'playingfield'
I know that the...
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