Learn How to Create Interface in Kotlin using OOP. So if you are learning OOP with Kotlin, you;d find this tutorial useful.
Check out the video on how to create interface in Kotlin.
If you don't know how to run the kotlin programs on command line. Check out how to run command line kotlin program. So this would be a good for you to learn through if you wish to learn kotlin on command prompt.
Do also see how to work with the OOP by checking out how to create Class and Objects in kotlin language.
I hope you like the video. You can support me when you get yourself a Android T-shirt.
Do let me know your comments and suggestions.