March 2019
Intermediate to advanced
242 pages
6h 21m
English
Content preview from Java 11 and 12 – New Features
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Local Variable Syntax for Lambda Parameters
Java is enhancing its language by extending the use of the reserved type var for lambda parameters. The sole purpose of this enhancement is to align the syntax of lambda parameters with the syntax of declaring local variables with var. The parameters of implicitly-typed lambda expressions have been inferred by the compiler since lambdas were introduced, in Java 8.
In this chapter, we'll cover the following topics:
- Implicitly and explicitly-typed lambda parameters
- How to use var with lambda parameters
- Using annotations with lambda parameters
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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.