Java OCP 11 Programmer I Study Guide

Jeanne Boyarsky and Scott Selikoff developed two study guides for the new Oracle Certified Professional (OCP), Java SE 11 Programmer exams. The first book, OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide:: Exam 1Z0-815 is published by Wiley Publishing.

We are using this blog to publish information about the book such as objectives changes and any errata found within the book. To report an error in the book that is not yet listed here, please create a thread in the OCP forum and include “Sybex OCP Java 11” in the subject.

For more information, visit Oracle’s Java SE 11 Programmer I exam page. If you have any questions for us, feel free to post in the OCP forum at CodeRanch which Jeanne and Scott visit frequently.

Key links

Where to buy it

  • Amazon paper  and ebook (Amazon sells the book for less than everyone else)
  • Barnes and Noble paper and nook (link coming soon)
  • Wiley Publishing (link coming soon)


Oracle has a tendency to change this information from time to time. As of May 20, 2019:

  • Length: 3 hours
  • # Questions: 80
  • Passing score: 63%

Changes to the objectives

  • None so far

Online Material

  • None so far

Blog posts related to OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide:: Exam 1Z0-815:

Java Release model information


All know errors are listed here. To report a potential error, please create a thread at

121In the fourth paragraph, it says you cannot use single file source code execution for a file with two classes in it. This is incorrect.Dinkar Joshi1/2/20
211In Figure 1.2, ClassA.class and ClassB.class should be in packagea and packageb respectively. The compile /classes folder doesn’t reflect this.Susanta Chattopadhyay11/27/19
472In table 2.2 “Short” should be “short”Nikolai Vinoku1/11/20
522In the second to last paragraph, “they are local variables that have been” should be “they are like local variables that have been”P Bakker1/18/21
572In the second paragraph, it says “Java is not case sensitive”. This should “Java is case sensitive”Ester Gambin1/11/20
813On the third line “The final values of cookies and reward” should be “The final values of reward and cookies”Mahmoud Elkeshky12/16/19
1093In Question #12, Options A and C are the same. Pretend option C says “post-increment, post-decrement”. (Spoiler: option C isn’t the answer!)Test bank team11/13/19
1795The second to last paragraph is incorrect. The first statement prints true, not false because it is “concatentated” at compile time.Edmond Yong12/30/19
2015In teh first code example. line 7 should be weights.remove(new Integer(50)); and the sentence about Line 7 in the following paragraph should be removedMahmoud Elkeshky1/12/20
3859The last sentence should say “Since String does not implement Canine” rather than “Since String does implement Canine”Edmond Yong1/6/20
Various11All references to the module “zoo.animal.staff” should be “zoo.staff:Edmond Yong1/12/20
493Ch 1 answer#14 – C should not be correct. There is no -cp flagNikolai Vinoku1/11/2
528Ch 11 answer#21 should be G because the question asks about a package name rather than a module name.Jakub Ch12/15/19

Want to report an errata? Post it at the OCP forum at CodeRanch.