[PATCH] JDK-8134373: explore potential uses of convenience factories within the JDK

David Holmes david.holmes at oracle.com
Mon Sep 12 00:50:49 UTC 2016

Hi Jonathon,

Attachments get stripped from most of the mailing lists so you will need 
to find someone to host these for you on cr.openjdk.java.net.

That aside you may be hard pressed to find anyone who can look at this 
future work now, given where things are with the JDK 9 release schedule.


On 11/09/2016 9:42 AM, Jonathan Bluett-Duncan wrote:
> Hi all,
> Would you kindly review this patch to replace existing uses of
> Collections.unmodifiable*(*Arrays.asList(*)) and plain Arrays.asList(*)
> with (List|Set|Map).of(*). You may find the patch files in the attachments.
> My rationale for replacing uses of Collections.unmodifiable*... with
> (List|Set|Map).of is to make use of the memory savings allowed by the newer
> APIs.
> The general rationale for replacing the Arrays.asList calls I've touched is
> to again make use of memory savings, but this may be naive or misguided
> reasoning on my part, as Arrays.asList may or may not be more
> memory-efficient than List.of. However, where I've replaced Arrays.asList
> for List.of in FileTreeIterator, my reasoning for doing so instead was to
> help prevent TOCTOU attacks, but again this may be misguided on my part.
> It doesn't seem practical to me to include new unit tests, as these are
> mainly performance improvements, but if it's believed that new unit tests
> are needed, then I'd be happy to go back and try to include some.
> Kind regards,
> Jonathan

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