The all-open compiler plugin ensures that the Kotlin classes are annotated and their members are open. To do so, let’s navigate to the Spring Initializr page and specify the following settings:īasically, I would just like to emphasize that we don’t need any additional dependencies and the rest is totally up to you (and that I’m using the particular versions in case anything is deprecated in the future).Īnd once you pick your desired settings, please hit the Generate button and import the project to your IDE. The kotlin-spring compiler plugin is a wrapper on top of the all-open plugin.

With that being said, let’s generate a new Spring Boot Kotlin application.

Moreover, we can implement it multiple times and control the order of invocation using the annotation or the Ordered interface. args) throws Exception, which we can implement and which will be invoked automatically, without us having to do it manually. In simple terms, the CommanLineRunner is an interface, which contains one method- void run(String. Interface used to indicate that a bean should run when it is contained within a SpringApplication. ✅ How to implement an example Spring Boot console app with KotlinĪs the first step, let’s take a minute to understand what exactly CommandLineRunner is.✅ What is the CommandLineRunner and how can it help us create a Spring Boot console app? Language: Spring Initializr provides the choice among three languages Java, Kotlin, and Groovy.Hello! In this, short step-by-step guide, I will show you how to create a Spring Boot console app with Kotlin from scratch.

Spring with kotlin