UNIT

BoxedUnit

UnsupportedOperationException

scala

unboxToBoolean

BoxesRunTime

unboxToByte

BoxesRunTime

unboxToChar

BoxesRunTime

unboxToDouble

BoxesRunTime

unboxToFloat

BoxesRunTime

unboxToInt

BoxesRunTime

unboxToLong

BoxesRunTime

unboxToShort

BoxesRunTime