Java 9及其新特性丰富了Java语言的内涵，这是开发者们*广泛使用的语言之一。Java9通过与Jigsaw集成，从而特别强调了模块化。本书是你精通该语言的一站式指南。
你可以从中获得Java 9相关的概览和新特性解释。并了解新API和增强部分的重要性。某些Java 9的新特性是开创性的，如果是有经验的程序员，你将能够把企业级应用变得更精炼。爱德华·拉维耶里、皮特·维哈斯著的《精通Java9（影印版）（英文版）》提供了在Java平台开发上应用Java 9相关新知识以及更多信息的实用指南。本书有助于提高生产力，让你的应用变得更快。通过学习Java*佳实践，你将成为组织里的百晓生。
学完此书，你不仅能知道Java 9的重要概念，也会对使用这门语言进行编程的重要方面具备精深理解。
Preface
Chapter 1： The Java 9 Landscape
Java 9 at 20，000 feet
Breaking the monolith
Playing around with the Java Shell
Taking control of external processes
Boosting performance with G1
Measuring performance with JMH
Getting started with 2，0
Enpassing reactive programming
Expanding the wish list
Summary
Chapter 2： Discovering Java 9
Improved Contended Locking
Improvement goals
Segmented code cache
Memory allocation
Smart Java pilation， phase two
Resolving Lint and Doclint warnings
Tiered attributiofor javac
Annotations pipeline 2．0
New version-string scheme
Generating run-time piler tests automatically
Testing class-file attributes generated by Javac
Storing interned strings iCDS archives
The problem
The solution
Preparing JavaFX UI controls and CSS APIs for modularizatio
JavaFX overview
Implications for Java 9
Compact strings
Pre-Java 9 status
New with Java 9
Merging selected Xerces 2．11．0 updates into JAXP
Updating JavaFX/Media to newer versioof GStreamer
HarfBuzz Font-Layout Engine
HiDPI graphics oWindows and Linux
Marligraphics renderer
Unicode 8．0．0
New iUnicode 8．0．0
Updated Classes iJava 9
Reserved stack areas for critical sections
The pre-Java 9 situation
New iJava 9
Dynamic linking of language-defined object models
Proof of concept
Additional tests for humongous objects iG1
Improving test-failure troubleshooting
Environmental information
Java process information
Optimizing string concatenatio
HotSpot C unit-test framework
Enabling GTK 3 oLinux
New HotSpot build system
Summary
Chapter 3： Java 9 Language Enhancements
Working with variable handlers
Working with the AtoMiC Toolkit
Using the sun．misc．Unsafe class
Eliding depreciatiowarnings oimport statements
Milling Project Coi
Using the @SafeVarargs annotation
The try-with-resource statement
Using the diamond operator
Discontinuing use of the underscore
Making use of private interface methods
Processing import statements correctly
Summary
Chapter 4： Building Modular Applications with Java 9
A modular primer
Reviewing Java's platform module system
……
Chapter 5： Migrating Applications to Java 9
Chapter 6： Experimenting with the Java Shell
Chapter 7： Leveraging the New Default G1 Garbage Collector
Chapter 8： Microbenchmarking Applications with JMH
Chapter 9： Making Use of the ProcessHandle API
Chapter 10： Fine-Grained Stack Tracing
Chapter 11： New Tools and Tool Enhancements
Chapter 12： Concurrency and Reactive Programming
Chapter 13： Security Enhancements
Chapter 14： Command Line Flags
Chapter 15： Best Practices IJava 9
Chapter 16： Future Directions
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