Kotlin Tutorial
Learn Kotlin
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:
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.
My Learning
Track your progress with the free "My Learning" program here at W3Schools.
Log into your account, and start earning points!
This is an optional feature, you can study MDS without using My Learning.
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
