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.

Google is positioning its Android Studio 2.1 IDE, released this week, as a mechanism for building applications for its Android N Developer Preview version, which was launched in March.

Goodbye Eclipse, hello Android Studio 1.0. For months Google had warned Android developers that the official IDE for programming in Java against its popular mobile OS would eventually become its own ...