Update (11/05/2020): Read The 1Z0-819 Exam page to learn how you can easily our Java 11 Study Guides to prepare for Oracle’s 1Z0-819 Exam, as well as the 1Z0-817 Upgrade Exam.
I got this question in a comment to a blog post and decided to answer in blog form.
I have SCJP Java 5 from 2005, now preparing to 1Z0–813 using your book
My goal is to get Java 11 cert eventually
Per the Oracle FAQ, you cannot use the 1Z0-817 upgrade exam to upgrade from an exam Java 5 or earlier straight to the OCP 11. If your goal is OCP 11, there are a few options on how to get there. Each comes with pros and cons.
| Exam sequence | Certs obtained | Benefits of Approach | Cons of Approach |
| 1Z0-808 (OCA 8) 1Z0-816 (OCP 11 part 2) | OCA 8 OCP 11 | – easier first exam | – second exam will feel harder because missed part 1 |
| 1Z0-815 (OCP 11 part 1) 1Z0-816 (OCP 11 part 2) | OCP 11 | – traditional path – exams go together | – requires taking OCP 11 exam sooner (before study materials are available; so far Enthuware is the only provider with Java 11 part 1 materials) |
| 1Z0-808 (OCA 8) 1Z0-809 (OCP 8) 1Z)-817 (OCP 11 upgrade) | OCA 8 OCP 8 OCP 11 | – get a professional level cert sooner | – costs more – have to take an extra exam |
| 1ZO-813 (OCP 8 upgrade) 1Z0-817 (OCP 11 upgrade) | OCP 8 OCP 11 | – get a professional level cert after first exam | – the hardest option because upgrade exams tend to be the toughest and this approach has two |