RFR: 8358530: Properties#list should warn against non-String values [v3]

[Chen Liang]

On Tue, 15 Jul 2025 16:37:18 GMT, Justin Lu <jlu at openjdk.org> wrote:

>> cagliostro92 has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8358530: adds oxford comma
>
> The copyright year for this file should also be updated: `1995, 2025,`
> 
> Also, the PR title will need to be changed to,
> 
> _8358530: Properties#list should warn against non-String values_

@justin-curtis-lu Do you want a final round of review?

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PR Comment: https://git.openjdk.org/jdk/pull/25334#issuecomment-3109138695