Java continues to grow and evolve, and this Cookbook continues to evolve in tandem. This book helps to get you up to speed right away with hundreds of hands-on recipes across a broad range of Java topics. You’ll learn useful techniques for everything from string handling and functional programming to network communication.

Each recipe includes self-contained code solutions that you can freely use, along with a discussion of how and why they work. If you are familiar with the basics of the Java language, this cookbook will bolster your knowledge of the language in general and its many recent changes and how to apply them in your day-to-day development.

Recipes include:

Methods for compiling, running, and debugging

“Packaging” Java classes and building applications

Manipulating, comparing, and rearranging text

Regular expressions for string- and pattern-matching

Handling numbers, dates, and times

Structuring data with collections, arrays, and other types

Object-oriented and functional programming techniques

Input/Output, Directory and filesystem operations

Network programming on both client and server

Processing JSON for data interchange

Multithreading and concurrency

Using Java in Big Data applications

Interfacing Java with other languages

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The 4th Edition of this book has been updated to cover changes through Java 12 and includes new recipes for Big Data and data science.