About this book

Java 9 is again delayed to September 21, but most of the release contents are finalized. So it's time to look into the new changes in Java 9. This book covers important new features in Java 9, including:

  • Java platform module system (Project Jigsaw)
  • jshell
  • Process API
  • Platform logging API and service
  • Reactive streams
  • Variable handles
  • Concurrency
  • Enhanced method handles
  • ECMAScript 6 features in Nashorn and Parser API
  • Stack-walking API
  • Stream and Optional
  • Collections and Objects
  • Multi-release JAR files
  • IO

As Java 9 is not released yet, this book will be updated to cover new changes and features.

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