I have been working with
java for a while. My current company forced me to take Security+ and after passing that I decided to take an exam I could actually enjoy studying for.
My one suggestion is keep in mind is you only need 63% to pass. Don't spend time perfecting your score on mock exams since they are sometimes more difficult than the real exam.
I used the enthuware exams to study. I focused on one
test at a time, taking notes after each exam, and studied topics I had problems with.
For the next test I plan on doing the same thing but with the new Sierra, Kathy book as a reference.
Best Regards,
John