This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
"import ClassName" is illegal as per the JLS: you can't import names out of the default package. Older JDK compilers allowed this anyway, but now the rule is being enforced. Presumably when you reformatted, you upgraded your JDK version.