I would add that you also need to have a strong understanding of the Java Language Specification (http://java.sun.com/docs/books/jls/third_edition/html/j3TOC.ht

I would add that you also need to have a strong understanding of the Java Language Specification (http://java.sun.com/docs/books/jls/third_edition/html/j3TOC.html http://java.sun.com/docs/books/jls/third_edition/html/j3TOC....). Recently, aomeone tried to tell me that a non-synchronized static method was not re-entrant. These type of of fundamentals are covered by the JLS.