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

[Volkan Yazici]

On Tue, 5 Aug 2025 18:21:24 GMT, Roger Riggs <rriggs 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.

Great initiative @RogerRiggs! 💯 I'm looking forward to respond dozens of StackOverflow questions asking how to close a `Process` properly! :star_struck:

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PR Comment: https://git.openjdk.org/jdk/pull/26649#issuecomment-3158243897