I was studying for my SCJP exam when my employer informed me that I need to take the SCJA exam as well. While reviewing the exam objectives I noticed that I have a big hole in my knowledge: the java technologies (whether client/server or anything). Besides programming concept and coding I have almost no knowledge about Java and it turns out that Java technologies are an important part of the exam.
Can anyone recommend a reference book, a study guide or a website that has the Java technologies part of the exam covered in depth? Much thanks for any help.