RFR: 8335912: Add an operation mode to the jar command when extracting to not overwriting existing files [v4]

[Jaikiran Pai]

On Fri, 27 Sep 2024 01:41:33 GMT, Henry Jen <henryjen at openjdk.org> wrote:

>> This PR support a -k, --keep options like tar that allows jar to avoid override existing files.
>
> Henry Jen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Address review feedbacks

test/jdk/tools/jar/ExtractFilesTest.java line 168:

> 166: 
> 167:     private Stream<Path> mkpath(String... args) {
> 168:         return Arrays.stream(args).map(d -> Paths.get(".", d.split("/")));

For newer code usages, like this one, it's recommended to use `Path.of(...)` instead of `Paths.get(...)`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21141#discussion_r1779494948