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Thinking Reactively

We assume that you are fairly comfortable with Java and know how to use classes, interfaces, methods, properties, variables, static/non-static scopes, and collections. If you are not familiar with concurrency or multithreading, that is okay. RxJava makes these advanced topics much more accessible.

Have your favorite Java development environment ready, be it IntelliJ IDEA, Eclipse, NetBeans, or any other environment of your choosing. We will be using IntelliJ IDEA, although it should not matter or have an impact on the examples in this book. We recommend that you have a project building framework such as Gradle or Maven, which we will explain how to use shortly.

In this chapter, before diving deeper into RxJava, we will cover some core topics:

A brief history of Reactive Extensions and RxJava
Thinking reactively
Leveraging RxJava
Setting up your first RxJava...

Key benefits

Explore a variety of tools and techniques used to solve problems in implementing concurrency and parallelization

Learn about core operators in RxJava that enable you to express your code logic productively

Apply RxJava with Kotlin to create responsive Android apps with better user experience

Description

RxJava is not just a popular library for building asynchronous and event-based applications; it also enables you to create a cleaner and more readable code base. In this book, you’ll cover the core fundamentals of reactive programming and learn how to design and implement reactive libraries and applications. Learning RxJava will help you understand how reactive programming works and guide you in writing your first example in reactive code. You’ll get to grips with the workings of Observable and Subscriber, and see how they are used in different contexts using real-world use cases. The book will also take you through multicasting and caching to help prevent redundant work with multiple Observers. You’ll then learn how to create your own RxJava operators by reusing reactive logic. As you advance, you’ll explore effective tools and libraries to test and debug RxJava code. Finally, you’ll delve into RxAndroid extensions and use Kotlin features to streamline your Android apps. By the end of this book, you'll become proficient in writing reactive code in Java and Kotlin to build concurrent applications, including Android applications.

Who is this book for?

This book is for Java developers who want to leverage reactive programming to develop more resilient and concurrent applications. If you're an RxJava user looking to get to grips with the latest features and updates in RxJava 3, this book is for you. Fundamental knowledge of core Java features and object-oriented programming will assist you in understanding the key concepts covered in this book.

What you will learn

Discover different ways to create Observables, Observers, and Subscribers

Multicast in order to push data to multiple destinations and cache and replay them

Express RxJava idiomatically with the help of Kotlin features such as extension functions and data classes

Become familiar with various operators available in RxJava to perform common transformations and tasks

Explore RxJava's reactive types, including Flowable, Single, Maybe, and Completable

Demystify Observables and how they express data and events as sequences

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

AI Assistant (beta) to help accelerate your learning

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Jonas Okwara Aug 05, 2021

Although am still studying the book so far am impressed with its content and how the subject matter is treated.

Amazon Verified review

Ken Siprell Apr 10, 2020

This book is a great introduction to RxJava. It is written in a clear and logical manner. The code examples are easy to comprehend and lend understanding to their topic. Unlike many Packt publications this book is free of grammar and spelling errors, making it a pleasure to read. I highly recommend it!

Abhishek Shukla May 16, 2020

The book covers all the important topics at depth and touches on the peripheral topics as well.Examples and operators were well explained!

kitasanblack May 10, 2021

分かりやすい英語で内容を理解しやすい。サンプルコードも省略されず記されているので、動作確認がしやすい。

Learning RxJava: Build concurrent applications using reactive programming with the latest features of RxJava 3 , Second Edition

What do you get with Print?

Learning RxJava

Thinking Reactively

A brief history of ReactiveX and RxJava

Thinking reactively

Why should I learn RxJava?

Setting up

A brief exposure to RxJava

RxJava 1.x, 2.x, or 3.0 – which one do I use?

When to use RxJava

Summary

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What you will learn

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Learning RxJava: Build concurrent applications using reactive programming with the latest features of RxJava 3 , Second Edition

What do you get with Print?

Key benefits

Description

Who is this book for?

What you will learn

Product Details

What do you get with Print?

Product Details

Packt Subscriptions

Frequently bought together

Table of Contents

Recommendations for you

Customer reviews

People who bought this also bought

About the authors

FAQs