Java 9 Revealed: For Early Adoption and Migration

Preview the new Java 9 modules, SDK, JDK, JVM and more in this comprehensive early adopter title. This book covers what’s new in Java 9 and how to use these new features. Java 9 Revealed is for experienced Java programmers looking to make the migration from Java 7 or Java 8 to Java 9.

Author Kishori Sharan begins by covering how to develop Java applications using new the module system introduced in Java 9 and how to use the JShell tool in Java 9 for quick prototyping. There is extensive coverage of new Java 9 features, such as the new layout of the modular JDK/JRE runtime image, new convenience factory methods for creating collections, the new spin-wait hints introduced to improve performance of spin loops in your code, and the new Desktop API for implementing platform-specific desktop features. Along the way you will also learn how to use the Reactive Streams API in Java 9 and, most importantly, this book will show you the breaking changes in Java 9.

What You’ll Learn

• Discover what is new in the Process API
• Inspect a thread’s stack with the Stack-Walking API
• Use the jlink tool to create a custom runtime image
• Work with HTML5 Javadoc and use the new search feature in Javadoc
• Learn how to use new methods and collectors in the Streams API
• Learn how to create a custom logger to log messages from platform classes and how to use JVM logs
• Learn about new methods in the Optional class and how to use them
• Learn how to compare arrays and slices of arrays
• Learn how to use the enhanced try-with-resources blocks
• Make your object deserialization more secure by using object deserialization filters

Who This Book Is For
Experienced Java programmers and developers.

Table of Contents

Chapter 1: Introduction
Chapter 2: The Module System
Chapter 3: Creating Your First Module
Chapter 4: Module Dependency
Chapter 5: Implementing Services
Chapter 6: Packaging Modules
Chapter 7: Creating Custom Runtime Images
Chapter 8: Breaking Changes in JDK 9
Chapter 9: Breaking Module Encapsulation
Chapter 10: The Module API
Chapter 11: The Java Shell
Chapter 12: Process API Updates
Chapter 13: Collection API Updates
Chapter 14: The HTTP/2 Client API
Chapter 15: Enhanced Deprecation
Chapter 16: Stack Walking
Chapter 17: Reactive Streams
Chapter 18: Streams API Updates
Chapter 19: Platform and JVM Logging
Chapter 20: Other Changes in JDK 9