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Reactive Programming in Kotlin

You're reading from   Reactive Programming in Kotlin Design and build non-blocking, asynchronous Kotlin applications with RXKotlin, Reactor-Kotlin, Android, and Spring

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788473026
Length 322 pages
Edition 1st Edition
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Author (1):
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Rivu Chakraborty Rivu Chakraborty
Author Profile Icon Rivu Chakraborty
Rivu Chakraborty
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Table of Contents (13) Chapters Close

Preface 1. A Short Introduction to Reactive Programming FREE CHAPTER 2. Functional Programming with Kotlin and RxKotlin 3. Observables, Observers, and Subjects 4. Introduction to Backpressure and Flowables 5. Asynchronous Data Operators and Transformations 6. More on Operators and Error Handling 7. Concurrency and Parallel Processing in RxKotlin with Schedulers 8. Testing RxKotlin Applications 9. Resource Management and Extending RxKotlin 10. Introduction to Web Programming with Spring for Kotlin Developers 11. REST APIs with Spring JPA and Hibernate 12. Reactive Kotlin and Android

Creating a Rest API with Spring Boot

We've seen the power of Spring and Spring Boot. So, let's use it without any further delay. We will build a RESTful web service that will return a Todo object. We will further enhance this project in the next chapter, where we will add Todo and fetch a list of Todo from the database. We will use JPA and Hibernate along with Spring for that purpose.

When we are done with this example, we should get the following response:

Cropped screenshot of browser output

So, let's start by creating a new project. You can use http://start.spring.io/ or you can use IntelliJ IDEA as well to create a new project.

After you have created the new project, you will see that there's an Application class; don't give much focus to it, it's there in almost all Spring Boot applications. We need to create a new class for Todo, as follows...

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