null
Also written: nullable type, String?, nullable
Kotlin's way of writing "no value". Only nullable types, written with a `?` such as `String?`, can hold null, and Kotlin makes you handle null before using such a value.
Also written: nullable type, String?, nullable
Kotlin's way of writing "no value". Only nullable types, written with a `?` such as `String?`, can hold null, and Kotlin makes you handle null before using such a value.