Convert Scala Option to Java Optional

Question

I need to convert Scala Option to Java Optional. I managed to wrote this:

public  Optional convertOption2Optional(Option option) {
           


        

Answer 1

For a given input parameter opt: Option[T] of some class, you can define a method inside that class like the following:

def toOptional(implicit ev: Null <:< T): Optional[T] = Optional.ofNullable(opt.orNull).