On Wed, 15 Jul 2026 01:25:29 GMT, Guanqiang Han <[email protected]> wrote:

>> Please review this change, thanks!
>> 
>> **Description:**
>> 
>> `java -XshowSettings` without an application currently prints the requested 
>> settings, then prints usage information and exits with code 1.
>> 
>> **Solution:**
>> 
>> Treat `-XshowSettings` as an option that can be used without an application 
>> target. During argument parsing, do not mark the absence of a main class or 
>> JAR file as an error when `-XshowSettings` is specified. After the settings 
>> and any explicitly requested launcher output have been processed, exit 
>> normally if no application was provided.
>> 
>> 
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Guanqiang Han has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   optimize test

src/java.base/share/man/java.md line 915:

> 913: [`-XshowSettings`]{#-XshowSettings}
> 914: :   Shows all settings and continues if further action is specified;
> 915:     otherwise, exits normally.

No objection to changing -XshowSettings to continue (like -showversion) but I'm 
not sure about the wording "if further action is specified". Is there any 
existing wording in the man page that could be copied?

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/31891#discussion_r3612226935

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