I think that Java: The Good Parts is probably best suited either for someone with basic familiarity with Java who wants to improve his or her ability to write maintainable Java code. It is ...

Learn everything you need to throw, try, catch, and clean up after Java exceptions in your programs.

Sun releases Java's source code under the GPL--except for some third-party chunks and the compatibility test kit. Video: Gosling on Sun's JavaFX ...