Book Image

Mastering Java 11 - Second Edition

By : Dr. Edward Lavieri, Mandar Jog
Book Image

Mastering Java 11 - Second Edition

By: Dr. Edward Lavieri, Mandar Jog

Overview of this book

Java 11 is a long-term release and its new features add to the richness of the language. It emphasizes variable-type inference, performance improvements, along with simplified multithreading. The Java platform has a special emphasis on modularity, making this the programming platform of choice for millions of developers. The modern Java platform can be used to build robust software applications, including enterprise-level and mobile applications. Fully updated for Java 11, this book stands to help any Java developer enjoy the richness of the Java programming language. Mastering Java 11 is your one-stop guide to fully understanding recent Java platform updates. It contains detailed explanations of the recent features introduced in Java 9, Java 10, and Java 11 along with obtaining practical guidance on how to apply the new features. As you make your way through the chapters, you'll discover further information on the developments of the Java platform and learn about the changes introduced by the variable handles and Project Coin, along with several enhancements in relation to import statements processing. In the concluding chapters, you'll learn to improve your development productivity, making your applications more efficient. You'll also be able to get to grips with the command-line flags with respect to various utilities and the command-line utility changes featured in the current Java platform. By the end of the book, you'll have obtained an advanced level understanding of the Java platform and its recent changes.
Table of Contents (20 chapters)

HarfBuzz font-layout engine

Prior to Java 9, the layout engine was used to handle font complexities, specifically fonts that have rendering behaviors beyond what the common Latin fonts have. Java used the uniform client interface, also referred to as ICU, as the de facto text rendering tool. The ICU layout engine has been depreciated and, in Java 9, has been replaced with the HarfBuzz font layout engine.

HarfBuzz is an OpenType text rendering engine. This type of layout engine has the characteristic of providing script-aware code to help ensure text is laid out as desired.

OpenType is an HTML formatted font format specification.

The impetus for the change from the ICU layout engine to the HarfBuzz font layout engine was IBM's decision to cease supporting the ICU layout engine. Therefore, the JDK was updated to contain the HarfBuzz font layout engine.

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