This week's giveaway is in the Spring forum. We're giving away four copies of liveProject: Protecting User Data with Spring Security and OAuth2 and have Laurentiu Spilca on-line! See this thread for details.
At, at least, three places on page 729, the "Stream<T> interface" is wrongly referred to as the "Stream<T> class." (e.g., "The first stream class we covered was Stream<T> ..." and the "Stream<T> interface."