As for books you can't get much better than A Programmers Guide to Java Certification. This is the one i own http://search.barnesandnoble.com/boo...48&TXT=Y&itm=7

and i just finished reading the newest edition http://search.barnesandnoble.com/boo...81&TXT=Y&itm=4
on http://safari.oreilly.com/ I don't buy books anymore. My shelves can't hold em.