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  1. JDK
  2. JDK-8246379

Sealed Classes: Prohibit member classes of local/anonymous classes

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Details

    • Bug
    • Resolution: Fixed
    • P4
    • 16
    • 15
    • specification

    Description

      Per this design discussion:

      https://mail.openjdk.java.net/pipermail/amber-spec-experts/2020-May/002161.html

      The consensus is that, at least until we revisit the topic, member classes of local/anonymous classes should not be allowed to use the 'sealed' modifier or to extend/implement a sealed class or interface.

      The sealed-classes-jls spec change document should be updated accordingly.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8246380 Sealed classes: prohibit member classes of local/anonymous classes

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          JEP - Java Enhancement Proposal JDK-8246775 JEP 397: Sealed Classes (Second Preview)

          • P3 - Major loss of function.
          • Closed

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              gbierman Gavin Bierman
              dlsmith Dan Smith
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