Kotlin is a modern, trending programming language.
Kotlin is easy to learn, especially if you already know Java (it is 100% compatible with Java).
Kotlin is used to develop Android apps, server side apps, and much more.Start learning Kotlin now »
Examples in Each Chapter
Our "Try it Yourself" editor makes it easy to learn Kotlin. You can edit the code and view the result in your browser:
ExampleTry it Yourself »
Click on the "Try it Yourself" button to see how it works.
We recommend reading this tutorial, in the sequence listed in the left menu.
Learn by Examples
Learn by examples! This tutorial supplements all explanations with clarifying examples.
Download Kotlin from github: https://github.com/JetBrains/kotlin