JEP proposed to target JDK 16: 397: Sealed Classes (Second Preview)

[mark.reinhold at oracle.com]

The following JEP is proposed to target JDK 16:

  397: Sealed Classes (Second Preview)
       https://openjdk.java.net/jeps/397

  Summary: Enhance the Java programming language with sealed classes and
  interfaces. Sealed classes and interfaces restrict which other classes
  or interfaces may extend or implement them.

Feedback on this proposal from JDK Project Committers and Reviewers [1]
is more than welcome, as are reasoned objections.  If no such objections
are raised by 23:59 UTC on Tuesday, 1 December, or if they’re raised
and then satisfactorily answered, then per the JEP 2.0 process proposal
[2] I’ll target this JEP to JDK 16.

- Mark


[1] https://openjdk.java.net/census#jdk
[2] https://cr.openjdk.java.net/~mr/jep/jep-2.0-02.html