Dmitry Jemerov
21 lines
367 B
Kotlin
21 lines
367 B
Kotlin
open class Base {
|
|
open fun sayHello(): String {
|
|
return "O"
|
|
}
|
|
}
|
|
|
|
interface Trait: Base {
|
|
override fun sayHello(): String {
|
|
return "K"
|
|
}
|
|
}
|
|
|
|
class Derived(): Base(), Trait {
|
|
override fun sayHello(): String {
|
|
return super<Base>.sayHello() + super<Trait>.sayHello()
|
|
}
|
|
}
|
|
|
|
fun box(): String {
|
|
return Derived().sayHello()
|
|
} |