Instruct: Classify Amazon reviews into positive or negative sentiment
Query: An Oreilly title...

I usually buy Oreilly books without much thought, but my past two experiences have me reevaluating my blind faith.This book is patronizing (assumes that the reader has to hand held all the way) and could have been half as thick. There is took little of conceptual understanding and too much silly code which do nothing to explain. Any half competent java programmer can read javadoc and figure out how to use the classes. The part that needs to be explained in the conceptual stuff, which he just glazes over...