The JetBrains Blog

This post is largely outdated. Please refer to the kapt documentation. We announced kapt, an Annotation Processing Tool for Kotlin, some time ago, and discussed its limitations. Now most of the limitations are going away with the updated version of kapt that is available as a 0.1-SNAPSHOT preview.…

Kotlin Eclipse Plugin 0.2.0 Today we are happy to present a new version of Kotlin plugin for Eclipse. This release includes the following features: Update to Kotlin M12 Java to Kotlin converter Navigation to Kotlin sources from Java Kotlin syntax highlighting in Compare View (more…)…

This post is largely outdated. Please refer to the kapt documentation. As there have been many requests to support Java Annotation Processing, we are working on it, and first results are ready for preview. This is the call for early feedback. (more…)…

We released Kotlin Web Demo quite a while ago, it did a good job helping people try Kotlin right in the browser and share runnable code with each other. Now, a shiny new version is ready, it's time to retire the old one. Meet try.kotlinlang.org, as new incarnation of a web-based mini-IDE for Kotlin…

Kotlin support in IntelliJ IDEA has always been among our top priorities, but we have been working on Eclipse support as well, and today we are happy to present the first alpha result of this effort. Although it's only a start and many things will be improved over time, it already features Buildi…

Kotlin can be freely mixed with Java. That means that you can easily add Kotlin code to an existing Java project. All you need to do is create a new Kotlin file (*.kt) and tell the environment to use Kotlin. If you're using IntelliJ IDEA, it can do this for you automatically. (more…)…

With the release of M6, we announced support for Android Studio. Let’s take a deeper look at how to get up and running with Android Studio and Kotlin. (more…)…

We announced KAnnotator back in December: it helps you against NPEs in Java and makes your Kotlin code nicer. Today we are pleased to announce a KAnnotator Plugin for IntelliJ, version 0.1. It is available from the plugin repository. (more…)…

Great news for fans of Intellij IDEA: "Surroud with..." action is now available for Kotlin! What is the "Surround with..." action? This action allows you to surround a block of code with if, try or other statements (see the full list bellow). Simply select a block of code, press Ctrl + Alt + T and…

As Kotlin Web Demo is the simplest way to try Kotlin. Today we unveil some new features that make it even more fun. HTML5 Canvas We added support for HTML5 Canvas (for the JavaScipt back-end) so that you can now do something like: (more…)…

It's been a little more than a year since the first commit was pushed to our source control, and we are happy to announce the first public preview of Kotlin. This preview works as follows: You go to http://kotlin-demo.jetbrains.com and it loads a code editor in your browser: You check ou…