Wow, you're really taking the OOA&D parts of the exam seriously!
That's a great book, and I have a copy myself, but I will say that it goes very far and beyond the SCJA objectives. My SCJA Certification Guide provides pretty succinct coverage of those topics in two or three chapters. That book is going to be a bit of overkill.
Still, it's a great book, so if you have the time, read it and learn! But if your core goal is just passing the exam, I might put it on the shelf for a little bit.
Is there a chapter list you can copy and paste here? Just a chapter list. Maybe we can make some suggestions from that?