Hello there Ranchers,
This happened!
After going easily through
OCA the material in your OCP book shocked me with the difficulty of installing it into my grey matter.
- Read book thoroughly 2 times.
- Got Ethuware mock exams - results unsatisfactory - around ~60%
- Back to book reading on particularly weak topics and
testing the code in
IDE
- Back to mock exams - now around ~80%
- Exam - 90%.
Would recommend your book -
OCP Oracle Certified Professional Java SE 8 Programmer II Study guide by Jeanne Boyarsky and Scott Selikoff as a number 1 (and in my case the only) resource to dig into OCP.
Would also recommend Ethuware mock tests ans they will solidify knowledge gained from the book.
It's really a great score. Thank you for sharing your resources with us 
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