```class A val a String = null class B b String = null ``` w kotlinlang #announcements

```class A (val a:String? = null) class B (b:Strin...

fabricio

09/26/2018, 12:33 PM

Copy code

class A (val a:String? = null)
class B (b:String? = null)

what is the difference of not using

val

in the constructor?