This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
Artificial neural networks using Java sounds interesting - are you doing this for study or for your day job? As for Ant, if you have any problems, remember there's a JavaRanch forum on Ant, Maven and Other Build Tools where folk will be glad to help.