Kotlin language

Question

I seen kotlin language in code playground on this update but how i can learn it?

Answer 1

https://kotlinlang.org/docs/reference/

Answer 2

you will find a tutorial at TutorialPoint
https://www.tutorialspoint.com/index.htm

Answer 3

Kotlin Cheatsheet:
https://gist.github.com/dodyg/5823184

Answer 4

Good news!
Kotlin is now live in SoloLearn!
https://www.sololearn.com/Discuss/1319472/?ref=app
https://www.sololearn.com/learn/7792/?ref=app