March 2023
Intermediate to advanced
1851 pages
66h 25m
English
book
OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide
by Khalid A. Mughal, Vasily A. Strelnikov
Content preview from OCP Oracle Certified Professional Java SE 17 Developer (Exam 1Z0-829) Programmer's Guide
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Appendix F
Annotated Answers to Mock Exam
This appendix provides annotated answers to the questions in the mock exam for the Java SE 17 Developer exam found in Appendix E, p. 1709.
Annotated Answers
Q1 (e)
An object of the class Extension is created. The first thing the constructor of Extension does is invoke the constructor of Base, using an implicit super() call. All calls to the method void add(int) are dynamically bound to the add() method in the Extension class, since the actual object is of type Extension. Therefore, this method is called by the constructor of Base, the constructor of Extension, and the bogo() method with the parameters 1, 2, and 8, respectively. The instance field i changes value accordingly: 2, 6, and 22. The final ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.