Java 9 Modularity: Patterns and Practices for Developing Maintainable Applications

The upcoming Java 9 module system will affect existing applications and offer new ways of creating modular and maintainable applications. With this hands-on book, Java developers will learn not only about the joys of modularity, but also about the patterns needed to create truly modular and reliable applications. Authors Sander Mak and Paul Bakker teach you the concepts behind the Java 9 module system, along with the new tools it offers. You’ll also gain learn how to modularize existing code and how to build new Java applications in a modular way.

• Understand Java 9 module system concepts
• Master the patterns and practices for building truly modular applications
• Migrate existing applications and libraries to Java 9 modules
• Use JDK 9 tools for modular development and migration

Table of Contents

Chapter 1 Modularity Matters
Chapter 2 Modules and the Modular JDK
Chapter 3 Working with Modules
Chapter 4 Services
Chapter 5 Modularity Patterns
Chapter 6 Advanced Modularity Patterns
Chapter 7 Migration Without Modules
Chapter 8 Migration to Modules
Chapter 9 Library Migration
Chapter 10 Building Modular Codebases
Chapter 11 Scaling Down with Custom Runtime Images
Chapter 12 A Modular Future