How to add Kotlin to your project.
Include Kotlin in the project.
To include Kotlin in a new project is very easy. In the first screen when you create a new project, you just have to check “Include Kotlin support”.
How to create Kotlin classes.
To create a new Kotlin class is quite easy too. You just have to follow the same steps you do when you create a new Java class.
Here you can choose the kind of file that you want to create: