Kotlin HashMap getOrElse()
Syntax & Examples

Syntax of HashMap.getOrElse()

The syntax of HashMap.getOrElse() extension function is:

fun <K, V> Map<K, V>.getOrElse( key: K, defaultValue: () -> V ): V

This getOrElse() extension function of HashMap returns the value for the given key if the value is present and not null. Otherwise, returns the result of the defaultValue function.