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
Pattern matching will enhance the Java programming language. To start with, it will add type test patterns and constant patterns that will be supported by the switch statement and the matches expression. Later, this JEP might extend the supported patterns and language construct.
Pattern matching is an age-old technique (approximately 65 years old) that has been adapted and is used by various languages such as text-oriented, functional (Haskell), and object-oriented languages (Scala, C#).
A pattern is a combination of the following:
- A predicate
- A target
- A set of binding variables
When a predicate is successfully applied to a target, a set of binding variables are extracted from the target. The patterns covered in this chapter ...
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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.