Factory

// 1 - Declare Interface
interface Person
// 2 - Declare Classes
class Women : Person
class Men : Person
// 3 - Declare Enum
enum class Gender {WOMEN , MEN}
// 4 - Declare Abstract class
abstract class PersonFactory {
    companion object {
        fun makePerson(gender: Gender): Person =
            when (gender) {
                Gender.WOMEN -> Women()
                Gender.MEN -> Men()
            }
    }
}