Название: The Java Module System Автор: Nicolai Parlog
Издательство: Manning Publications
Год: 2019
Страниц: 440
Язык: английский
Формат: pdf (true), epub
Размер: 32.6 MB
Java's much-awaited "Project Jigsaw" is finally here! Java 11 includes a built-in modularity framework, and The Java Module System is your guide to discovering it. In this new book, you'll learn how the module system improves reliability and maintainability, and how it can be used to reduce tight coupling of system components.
The Java Module System is your in-depth guide to creating and using Java modules. With detailed examples and easy-to-understand diagrams, you'll learn the anatomy of a modular Java application. Along the way, you'll master best practices for designing with modules, debugging your modular app, and deploying to production.
About the Technology:
Packaging code into neat, well-defined units makes it easier to deliver safe and reliable applications. The Java Platform Module System is a language standard for creating these units. With modules, you can closely control how JARs interact and easily identify any missing dependencies at startup. This shift in design is so fundamental that starting with Java 9, all core Java APIs are distributed as modules, and libraries, frameworks, and applications will benefit from doing the same.
What's inside:
The anatomy of a modular Java app
Building modules from source to JAR
Migrating to modular Java
Decoupling dependencies and refining APIs
Handling reflection and versioning
Customizing runtime images
Updated for Java 11
About the Reader:
Perfect for developers with some Java experience.
Table of Contents:
PART 1 - Hello, modules
First piece of the puzzle
Anatomy of a modular application
Defining modules and their properties
Building modules from source to JAR
Running and debugging modular applications
PART 2 - Adapting real-world projects
Compatibility challenges when moving to Java 9 or later
Recurring challenges when running on Java 9 or later
Incremental modularization of existing projects
Migration and modularization strategies
PART 3 - Advanced module system features
Using services to decouple modules
Refining dependencies and APIs
Reflection in a modular world
Module versions: What's possible and what's not
Customizing runtime images with jlink
Putting the pieces together
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