Take a look at the list below and choose your best way to learn: Online REPL The best way to try Kotlin (and I believe any other programming language) is to learn it by doing.

However, coming from the Java world can be helpful in getting familiar with the very basic concepts of the language. It’s not mandatory to know Java before starting your journey with Kotlin. If you face any issues setting this up, please let me know by filing a new issue.In this text, I’m going to show you what resources can you use to learn Kotlin and why should you choose it as your own language of choice in the next year.

Setup is as simple as importing the project into Android Studio and building (assuming you have the correct build tools and Android SDK).

Feeling adventurous? Go meta! Kotlin Kōans is written in Kotlin and is open-source! Hack on the code all you want.

Messed up code? Revert code to try a new approach.

Stuck? See the solution by tapping the '?' icon.

Go back and review your saved code from prior challenges.

Try any challenge - challenges need not be completed in order.Track your progress through the 40+ challenges.Get feedback as you learn with compilation errors, runtime errors, println() and test results.In each challenge, you'll be directed to read some documentation and then write some code to make the tests pass.Each coding challenge lasts a few minutes.Learn Kotlin syntax and standard library.These are the original koans from Jetbrains (also available online at ) that you can now solve on your phone! Learn Kotlin programming through a series of 40+ short coding challenges.

Kotlin koans