RFR: 8364361: [process] java.lang.Process should implement close and be AutoCloseable

[Roger Riggs]

On Wed, 6 Aug 2025 08:21:13 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> The teardown of a Process launched by `ProcessBuilder` includes the closing of streams and ensuring the termination of the process is the responsibility of the caller. The `Process.close()` method provides a clear and obvious way to ensure all the streams are closed and the process terminated.
>> 
>> The try-with-resources statement is frequently used to open streams and ensure they are closed on exiting the block. By implementing `AutoClosable.close()` the completeness of closing the streams and process termination can be done by try-with-resources.
>> 
>> The actions of the `close()` method are to close each stream and destroy the process if it has not terminated.
>
> src/java.base/share/classes/java/lang/snippet-files/ProcessExamples.java line 38:
> 
>> 36:                 Paddling with the river flow;
>> 37:                 Chilling still, go slow.
>> 38:                 """;
> 
> Nit: I'm not against Haiku, though `writer.write("Hello, world!");` can be enough to get the message across and save the reader (and the maintainer) 6 LoC.

True, maybe too clever, but It should be more than 1 line. Hello world can be quite boring after 30 years.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26649#discussion_r2257423663