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  1. JDK
  2. JDK-8164934

Optional.map() javadoc code example is incorrect

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    • b145
    • generic
    • generic
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    Description

      FULL PRODUCT VERSION :


      A DESCRIPTION OF THE PROBLEM :
      Is the example in API Note for map method on Optional class correct?
      https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html#map-java.util.function.Function-

           Optional<FileInputStream> fis =
               names.stream().filter(name -> !isProcessedYet(name))
                             .findFirst()
                             .map(name -> new FileInputStream(name));

      new FileInputStream(name) in the map function throws java.io.FileNotFoundException (checked exception)


      REPRODUCIBILITY :
      This bug can be reproduced always.

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              psandoz Paul Sandoz
              webbuggrp Webbug Group
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