Gupta Mala. Java 11 and 12 - New Features

Packt Publishing Ltd, 2019. — 242 p.Learn about Project Amber and the latest developments in the Java language and platform.Enhance your development skills with Java’s state-of-the-art features and projects to make your applications leaner and faster.Key FeaturesOvercome the challenges involved in migrating to new versions of Java
Discover how Oracle has bridged the gap between Java and native code
Make the best use of new Java features and libraries in your applicationsBook DescriptionWith its new six-monthly release cadence, Java is moving forward faster. In addition to planned version releases, a lot of work is currently being undertaken on various Java projects at Oracle. In order to make best use of the new features in their applications and libraries, you must be well-versed with the most recent advancements.Java 11 and 12 – New Features will take you through the latest developments in Java, right from variable type inference and simplified multithreading through to performance improvements, which are covered in depth to help you make your applications more efficient. This book explains the relevance and applicability of Java's new features, and answers your questions on whether to invest in migrating to new Java versions and when to migrate. You'll also get to grips with platform features, such as AppCDS and new garbage collectors, to tune and optimize your application — from reduced launch time and latency to improved performance and throughput.By the end of this book, you will be equipped with a thorough understanding of the new features of Java 11, 12, and Project Amber, and possess the skills to apply them with a view to improving your application's performance.What you will learnStudy type interference and how to work with the var type
Understand Class-Data Sharing, its benefits, and limitations
Discover platform options to reduce your application’s launch time
Improve application performance by switching garbage collectors
Get up to date with the new Java release cadence
Define and assess decision criteria for migrating to a new version of JavaWho this book is forIf you’re an executive or solutions architect responsible for technology selection or Java migration decisions, this Java book is for you. You’ll also benefit from this book if you’re a computer science enthusiast curious to learn about the latest and upcoming Java features. This book will help you migrate your solutions from Java 8 or older to the latest Java release.Type Inference
AppCDS
Garbage Collector Optimizations
Miscellaneous Improvements in JDK 10
Local Variable Syntax for Lambda Parameters
Epsilon GC
The HTTP Client API
ZGC
Flight Recorder and Mission Control
Miscellaneous Improvements in JDK 11
Switch Expressions
Miscellaneous Improvements in JDK 12
Enhanced Enums in Project Amber
Data Classes and Their Usage
Raw String Literals
Lambda Leftovers
Pattern Matching