Accessing scala.None from Java

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南笙
南笙 2020-12-04 01:14

How can you access scala.None from Java?

The last line causes the compiler to die with \"type scala.None does not take parameters\".

imp         


        
6条回答
  •  旧时难觅i
    2020-12-04 01:47

    You can import

    import scala.compat.java8.OptionConverters;
    

    And then:

    OptionConverters.toScala(Optional.empty())
    

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