March 2019
Intermediate to advanced
242 pages
6h 21m
English
Content preview from Java 11 and 12 – New Features
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Pattern Matching
As a Java programmer, imagine having the option of skipping usage of the instanceof operator and explicit casting operators to retrieve a value from your objects. Pattern matching (JDK Enhancement Proposals (JEP) 305) addresses this pain point by adding type test patterns and constant patterns. It enhances the Java programming language to introduce functionality that enables you to determine the type of instances and derived classes, and access their members without using explicit casting.
In this chapter, we'll cover the following topics:
- Pattern matching
- Type test patterns
- Constant patterns
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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.