JEP proposed to target JDK 21: 441: Pattern Matching for switch

Mark Reinhold mark.reinhold at oracle.com
Fri May 12 12:38:15 UTC 2023


2023/5/4 13:49:58 -0400, mark.reinhold at oracle.com:
> The following JEP is proposed to target JDK 21:
> 
>   441: Pattern Matching for switch
>        https://openjdk.org/jeps/441
> 
>   Summary: Enhance the Java programming language with pattern matching
>   for switch expressions and statements.  Extending pattern matching to
>   switch allows an expression to be tested against a number of patterns,
>   each with a specific action, so that complex data-oriented queries can
>   be expressed concisely and safely.
> 
> 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 Thursday, 11 May, 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 21.

Hearing no objections, I’ve targeted this JEP to JDK 21.

- Mark


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