Some manual tweaking however is sometimes required.

While the converter is not fool-proof, it does a pretty decent job of converting most boilerplate code from Java to Kotlin. To use J2K on a file, click Convert Java File to Kotlin File in its context menu or in the Code menu of IntelliJ IDEA. The Kotlin plugin also bundles a Java to Kotlin converter ( J2K) that automatically converts Java files to Kotlin. Update to Kotlin 1.6.0 Language features We stabilized features from Kotlin 1.5.30 based on your feedback. Learn more about installing Kotlin 1.6.0. Converting an existing Java file to Kotlin with J2K If you use IntelliJ IDEA or Android Studio, you have the option to automatically update to the new Kotlin release as soon as it becomes available. IntelliJ IDEA Open API and Plugin Development Converting Java to Kotlin Follow Answered Swoods Created J15:34 Im trying to find the source code in the Community edition that converts Java to Kotlin. You can also open the Kotlin runtime configuration manually from Tools | Kotlin | Configure Kotlin in Project.

The next step is to decide which modules to configure (if the project has more than one module) and whether you want to add the runtime library to the project or use those provided by the current Kotlin plugin. For a Java project, configure the Kotlin runtime as a Kotlin Java Module. If this is the first time you're adding a Kotlin file to this project, IntelliJ IDEA will prompt you to add the required Kotlin runtime. It’s pretty straight forward, but in Kotlin there are a few different ways to solve the problem of defining a logger.Adding Kotlin source code to an existing Java projectĪdding a Kotlin file to an existing Java project is pretty much the same process. In Java, having a static property for something like a Logger is a very common use case.

It was our first Kotlin migration and getting to know the Kotlin language better was/is a lot of fun, but also confusing at times.

While doing so we’ve learned quite a few things along the way and I created some notes that I wanted to share in case somebody else runs into the same issues. Development Migrating a Spring Boot service from Java 11 to KotlinĪt my current project we’ve just finished migrating a Spring Boot 2.1.x service from Java 11 to Kotlin.

Intellij convert java to kotlin