English | 2017 | ISBN: 978-1787124233 | 402 Pages | PDF, EPUB | 23 MB
This book will teach you how to build robust asynchronous and event-driven applications with ease.
Reactive programming is an asynchronous programming model that helps you tackle the essential complexity that comes with writing such applications.
Using Reactive programming to start building applications is not immediately intuitive to a developer who has been writing programs in the imperative paradigm. To tackle the essential complexity, Reactive programming uses declarative and functional paradigms to build programs. This book sets out to make the paradigm shift easy.
This book begins by explaining what Reactive programming is, the Reactive manifesto, and the Reactive Streams specifi cation. It uses Java 9 to introduce the declarative and functional paradigm, which is necessary to write programs in the Reactive style. It explains Java 9’s Flow API, an adoption of the Reactive Streams specifi cation. From this point on, it focuses on RxJava 2.0, covering topics such as creating, transforming,fi ltering, combining, and testing Observables. It discusses how to use Java’s popular framework, Spring, to build event-driven, Reactive applications. You will also learn how to implement resiliency patterns using Hystrix. By the end, you will be fully equipped with the tools and techniques needed to implement robust, event-driven, Reactive applications.
What You Will Learn
- Understand the Reactive manifesto
- Grasp the Reactive Streams types introduced in Java 9 in the form of the Flow API
- Use RxJava, a Reactive Streams implementation, to build asynchronous applications
- Build responsiveness and resilience into applications using RxJava operators
- Demonstrate the usage of Hystrix, a latency and fault tolerance library from Netflix that uses RxJava
- Implement Reactive web applications using Spring Framework 5 and RxJava
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