Kotlin Koans
Kotlin Koans — ported from https://github.com/Kotlin/kotlin-koans-edu for Libre.academy. Each exercise lives in its own lesson; fix the starter to make the tests pass.
- Kotlin
- 43 lessons
- ~9 hours
- Free
- by Libre
Learn Kotlin for free on Libre Academy with the Kotlin Koans course: 43 interactive lessons you complete by writing real code in a built-in editor, graded instantly by hidden tests. No paywall, no sign-up. It's part of the free, open-source desktop app for macOS, Windows and Linux.
What you get
- Hands-on lessons with a real editor and instant, test-graded feedback.
- Free and open source, with no account required to start.
- Works offline in the free desktop app for macOS, Windows and Linux.
- Kotlin desktop app (native toolchain).
What's inside
- Builders
- Classes
- Collections
- Conventions
- Generics
- Introduction
- Properties
Download to start Kotlin Koans → More free Kotlin courses
Helpful reading
Why passive video doesn't make you a programmer · Bring Your Own Book: turning any PDF into a course