Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not for beginers!

This book fails to actually teach anything. The author goes into long drawn out paragraphs and fails to say much. If you don't know J2EE, stay away from this book! If you are not great at J2EE and want to get better, don't buy this book! Only buy this if you want a refrence book, but it's not even good for that, IMO.