e.g. ``` open class Y(val p1 : String) class X : Y...
# getting-started
o
e.g.
Copy code
open class Y(val p1 : String)
class X : Y {
    constructor() : super(resource.toString())
    companion object {
        val resource = 1
    }
}
Of course,
resource
here will be shared by all instances of X