abstract class Single implements View.OnClickListener {} this java code how to use kotlin express?

# announcements

[Ifvwm]

abstract class Single implements View.OnClickListener {} this java code how to use kotlin express?

[Stephan Schroeder]

abstract class Single : View.OnClickListener  {}

[Matteo Mirk]

You didn’t even open the official documentation, did you? https://kotlinlang.org/docs/interfaces.html#implementing-interfaces