Book Image

Java 11 and 12 ??? New Features

By : Mala Gupta
Book Image

Java 11 and 12 ??? New Features

By: Mala Gupta

Overview of this book

With 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.
Table of Contents (23 chapters)
Free Chapter
1
Section 1: JDK 10
6
Section 2: JDK 11
13
Section 3: JDK 12
16
Section 4: Project Amber

Raw String Literals

Have you ever felt the pain of using string types to store SQL queries in Java, with multiple opening and closing, single and double quotes? To add to the misery, perhaps you have used newline escape sequences and concatenation operators. Similar discomfort applies to using string types with HTML, XML, or JSON code. If you dread all of these combinations like I do, fear no more. Raw string literals are here to save you from the pain.

With raw string literals, you can easily work with readable, multiline string values, without including special newline indicators. Since raw string literals don't interpret escape sequences, it is simple to include escape sequences as part of the string values. The related classes also include management of margins.

In this chapter, we'll cover the following topics:

  • The advantages and difficulties of using escape sequences...