JEP proposed to target JDK 25: 512: Compact Source Files and Instance Main Methods

Mark Reinhold mark.reinhold at oracle.com
Tue Apr 29 13:01:07 UTC 2025


2025/4/21 16:15:46 -0400, mark.reinhold at oracle.com:
> The following JEP is proposed to target JDK 25:
> 
>   512: Compact Source Files and Instance Main Methods
>        https://openjdk.org/jeps/512
> 
>   Summary: Evolve the Java programming language so that beginners can
>   write their first programs without needing to understand language
>   features designed for large programs.  Far from using a separate
>   dialect of the language, beginners can write streamlined declarations
>   for single-class programs and then seamlessly expand their programs
>   to use more advanced features as their skills grow.  Experienced
>   developers can likewise enjoy writing small programs succinctly,
>   without the need for constructs intended for programming in the large.
> 
> 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 21:00 UTC on Monday, 28 April, 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 25.

Hearing no objections, I’ve targeted this JEP to JDK 25.

- Mark


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