Ruslan Pistriak

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since Jan 23, 2016
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Recent posts by Ruslan Pistriak


I want to pass the 1Z0-071 (Oracle Database 12c SQL certification), but don't know which resources to use for preparation.
Can you recommend some books and mock exams like Enthuware?


Karl, it took me about a month. Every day, before my work I studied for one or two hours.
Studying for the OCP was a lot harder than the OCA for me.
4 years ago

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 (;
3. Coderanch (

Thanks to the authors of the resources.

Good luck, everyone!
4 years ago
I want to pass the Spring Professional Certification.
I have 2 questions:

1. Do I really have to take the Core Spring class? ( says: "The Spring Professional Certification is designed for developers who have taken the Core Spring class..").
2. Is there any books or mock test for preparation?

Hi. January 21, 2016 I passed OCA exam with 88%.
I took me 12 days to go through all the exam topics, from 3 to 5 hours each day.

I'm very happy to be certified, but not with the result because I made some stupid mistakes that I wasn't supposed to.

The resources I used were:
1. Boyarsky Selikoff-Oracle Certified Associate Java SE 8 Programmer I Study Guide;
3. Mala Gupta - OCA Java SE 7 Programmer I;
2. Enthuware mock tests.

I'm very thankful to the authors of that resources.

From now on I'm studying the OCP exam topics.
I'm planning to pass OCP in 3 month.
I think it's enough time for me to prepare for the exam.

Good luck for everyone!
4 years ago