August 2020
Intermediate to advanced
1296 pages
30h 50m
English
book
OCP Oracle Certified Professional Java SE 11 Developer Complete Study Guide
by Jeanne Boyarsky, Scott Selikoff
Content preview from OCP Oracle Certified Professional Java SE 11 Developer Complete Study Guide
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Chapter 14Generics and Collections
THE OCP EXAM TOPICS COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:
- Generics and Collections
- Use wrapper classes, autoboxing and autounboxing
- Create and use generic classes, methods with diamond notation and wildcards
- Describe the Collections Framework and use key collection interfaces
- Use Comparator and Comparable interfaces
- Create and use convenience methods for collections
- Java Stream API
- Use lambda expressions and method references
You learned the basics of the Java Collections Framework in Chapter 5, “Core Java APIs,” along with generics and the basics of sorting. We will review these topics while diving into them more deeply.
First, we will cover how to use method references. After a review ...
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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.