Kotlin Tutorial
Learn Kotlin
Kotlin is a modern, trending programming language.
Kotlin is used to develop Android apps, server side apps, and much more.
Become Kotlin Certified
Get certified with our Kotlin exam, includes a professionally curated study kit to guide you from beginner to exam-ready.
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:
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.
Kotlin Exercises
Kotlin Quiz
Learn by taking a quiz! This quiz will give you a signal of how much you know about Kotlin.
Learn by Examples
Learn by examples! This tutorial supplements all explanations with clarifying examples.
Download Kotlin
Download Kotlin from github: https://github.com/JetBrains/kotlin
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