It is one of the known behavioral design patterns in Java where the relation between the objects has been defined. It's a relationship between one to many objects, whenever one object changes its state, the other objects will be notified and updated automatically. Let's take an example of a loan application to know more about it. Whenever a person puts an application for a loan to the bank, what does the bank do? The respective person from the bank notifies the other departments. He informs the eligibility department to check the eligibility. In case he is eligible, the verification department does the verification of the documents and other relative things. If everything is well, ultimately the loan will be sanctioned and a kit will be sent. In each of the state changes, the other departments will be notified accordingly.
Reactive Programming With Java 9
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Reactive Programming With Java 9
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Overview of this book
<p>Reactive programming is an asynchronous programming model that helps you tackle the essential complexity that comes with writing such applications.</p>
<p>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.</p>
<p>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.</p>
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Current Title:
Reactive Programming With Java 9
Table of Contents (12 chapters)
Preface
Free Chapter
Introduction to Reactive Programming
Programming Paradigm Shift
Reactive Streams
Reactive Types in RxJava
Operators
Building Responsiveness
Building Resiliency
Testing
Spring Reactive Web
Implementing Resiliency Patterns Using Hystrix
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