Hi Nikolay Totomanov,
First of all, a warm welcome to CodeRanch!
Nikolay Totomanov wrote:In which section of this forum would be most appropriate to post questions about the book content ?
It depends. If you have a question about the study guide for the OCPJP certification exam,
the OCPJP forum is the most appropriate. If it's about the study guide for the
OCAJP certification exam, you want to post your questions in
the OCAJP forum.
Hope it helps!
Kind regards,
Roel