Too little information for me to confirm or deny, so I'll notify the authors about your question.
PS. Currently there are 3 books out there for the OCA exam. Could you please add (e.g. in the title) the study guide you have a remark about (makes it clear for everybody). Based on your previous submissions of errata items about Java OCA 8 Programmer I Study Guide, I assume this one is also about this study guide and I added the study guide to the title. Hope that's ok for you.
Confirmed and added to the errata. I'll confess that I paid way more attention to making sure the answer was correct than proofreading the explanation. Thanks for catching it. You are a very thorough reader. (Many people gloss over the explanations and just look at the letter answer)