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Design Patterns and Best Practices in Java

You're reading from   Design Patterns and Best Practices in Java A comprehensive guide to building smart and reusable code in Java

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781786463593
Length 280 pages
Edition 1st Edition
Languages
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Authors (4):
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Kamalmeet Singh Kamalmeet Singh
Author Profile Icon Kamalmeet Singh
Kamalmeet Singh
Lucian-Paul Torje Lucian-Paul Torje
Author Profile Icon Lucian-Paul Torje
Lucian-Paul Torje
Sumith Kumar Puri Sumith Kumar Puri
Author Profile Icon Sumith Kumar Puri
Sumith Kumar Puri
Adrian Ianculescu Adrian Ianculescu
Author Profile Icon Adrian Ianculescu
Adrian Ianculescu
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Toc

Table of Contents (11) Chapters Close

Preface 1. From Object-Oriented to Functional Programming FREE CHAPTER 2. Creational Patterns 3. Behavioral Patterns 4. Structural Patterns 5. Functional Patterns 6. Let's Get Reactive 7. Reactive Design Patterns 8. Trends in Application Architecture 9. Best Practices in Java 10. Other Books You May Enjoy

Best practices and new features of Java 9


The most important and biggest change brought along by Java 9 is the implementation of Project Jigsaw or the Java platform module system. Before this change, you would need the complete Java Runtime Environment (JRE) as a whole to be loaded on a server or a machine to run a Java application. With Project Jigsaw, you can decide what libraries need to be loaded for an application. Apart from the module system, Java 9 also added jshell to Java's arsenal, a boon for people who have worked in languages such as Ruby on Rails, Python, and so on. This comes with similar features. We will discuss modules and Jshell in detail, along with a few other significant changes brought by Java 9, which impact how we code in Java.

Java platform module system

If Java 8 helped us change the way we were coding, Java 9 is more about how files and modules are loaded when an application runs.

To get started, let's see how Java 9 has divided the whole application into modules...

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