just want to share you my exam results and experience. I passed the OCPJP 8 Upgrade (1Z0-810) with a score of 81% (65% was minimum).
For my preparation, i bought Mikalais preparation: http://java.boot.by/ocpjp8-upgrade-guide/ ....
Congratulations Andre !
Glad to know my 1Z0-810 guide helped.
Exam 1Z0-817: Upgrade OCP Java 6, 7 and 8 to Java SE 11 Developer Study Guide and Quiz