Building a Spring 5 application using Kotlin

The last recipe of this chapter will be about a new feature integrated into the new platform of Spring 5, Kotlin. This is a JVM language created by JetBrains that can work with some Java APIs. This Kotlin extension is another powerful and concise option for writing a Spring 5 application that is at par with the Java-based style when it comes to performance and quality. Its short and readable language makes developers focus more on high-level requirements rather than the complex programming how-tos. This recipe will illustrate how to create Spring 5 applications with Reactive services using Kotlin.

Getting ready

Create the last Maven project for this chapter, ch12-kot, which will...