This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I had a question that I think was wrong. AttributeOverride on an embedded field, I know that you must not use the prefix of the field (you must only when you declare it @class level). Yet I picked the version where it uses the prefix as the others seemed wrong.