To get started with Kotlin, download the Android Studio 3.0 preview, open one of your existing Java files, and then choose “Convert Java File to Kotlin File” in the Code menu.

Google's Android Studio 3.0 dev environment has just become available in the stable channel, with built-in support for Kotlin and Java 8.

Today, Android Studio ships with Kotlin support built-in, so creating an Android project that understands Kotlin code is as easy as selecting a checkbox in Android Studio’s project creation wizard.

What’s new in Android Studio 3.x Find out what to look for in the latest version of Android Studio, including support for Kotlin, Java 8, and a wealth of new tools and plugins.

Some of the changes you’ll find in Android Studio 3 include themes, Java to Kotlin conversion tools, code completion for Kotlin, APK debugging as well as a host of fixes from the previous version.

Kotlin is a super new programming language built by JetBrains, which also coincidentally develops the JetBrains IDE that Android Studio — Google’s official developer tool — is based on.