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

Comparing break with break <return value>

A break statement of the break <return value> form is referred to as an extended break statement.

A traditional switch construct uses a break statement without any return values in its switch branches, to take control out of a switch construct. This also <indexentry content="break:comparing, with break ">prevents fall through the control <indexentry content="break :comparing, with break">across multiple switch branches. A switch expression uses a break statement with a return value and breaks out of switch expressions.

Let's compare the break statement with the return statement, which can be used with or without a value. In a method, you can use a return statement to return a value and exit a method or just exit a method without returning a value. Here's a quick example:

int sum(int...