This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
To be honest, despite the two SCJP certificates I have, I didn't think it was legal either. I thought it would be seen as an empty statement, which is not allowed outside methods / constructors / static blocks / initializer blocks, let alone outside classes. Apparently it isn't in this case.