RFR: 8345431: Detect duplicate entries in jar files with jar --validate [v6]

[Henry Jen]

On Wed, 7 May 2025 17:28:34 GMT, Lance Andersen <lancea at openjdk.org> wrote:

>> Henry Jen has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Restore Validator access level
>
> test/jdk/tools/jar/ValidatorTest.java line 232:
> 
>> 230:             var err = e.getMessage();
>> 231:             System.out.println(err);
>> 232:             Assertions.assertTrue(err.contains("Warning: 2 copies of META-INF/MANIFEST.MF is detected in local file header"));
> 
> Given you are importing Assertions, you should be able to just use `assertTrue`

I didn't use static import. Since that seems to be preferred, I changed to do static imports.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24430#discussion_r2092017390