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You're welcome.

That error is not related to the warnings you posted. I assumed there were no other errors, and I was wrong. You have a typo in the line (#58 by my count):

row2.add( numbers[1] );

See if you...

What book are you using? I ask, because the main() method is teaching bad habits and is not technically correct. Will it work? Yes, but it's bad form for later. (Saw something similar online, is...