May 2017
Intermediate to advanced
432 pages
10h 50m
English
Content preview from OCA Java SE 8 Programmer I Exam Guide (Exams 1Z0-808)Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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2
Object Orientation
CERTIFICATION OBJECTIVES
• Describe Encapsulation
• Implement Inheritance
• Use IS-A and HAS-A Relationships (OCP)
• Use Polymorphism
• Use Overriding and Overloading
• Understand Casting
• Use Interfaces
• Understand and Use Return Types
• Develop Constructors
• Use static Members
Two-Minute Drill
Q&A Self Test
Being an Oracle Certified Associate (OCA) 8 means you must be at one with the object-oriented aspects of Java. You must dream of inheritance hierarchies; the power of polymorphism ...
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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.