I passed the OCP exam two days ago. The result is 88%.
Three month ago I passed the OCA exam with 88% too. My OCA result
The resources I used:
1. "OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide" by Jeanne Boyarsky and Scott Selikoff;
2. Enthuware (www.enthuware.com);
3. Coderanch (www.coderanch.com).
Thanks to the authors of the resources.
Good luck, everyone!