RFR: JDK-8307807 Replace use of System.getProperty("os.name") with PlatformUtil calls [v6]

Fri May 12 15:59:59 UTC 2023

On Fri, 12 May 2023 15:28:51 GMT, Carl Döbbelin <duke at openjdk.org> wrote:

>> Wikipedia says it's currently at the level of macOS Ventura
>> 
>> 22.4.0 | March 27, 2023 | macOS 13.3, iOS 16.4, iPadOS 16.4, watchOS 9.4 and tvOS 16.4
>> 
>> https://en.wikipedia.org/wiki/Darwin_(operating_system)#Darwin_20_onwards
>
> Darwin as its own OS stopped existing after 2002 (at least german wilipedia sais so)

Apple still calls their macOS Kernel "Darwin", but that's not the important bit. If it was _ever_ reported as the value of `os.name` (I'm not sure it was), it would have been in the pre-Java 6 time frame. It's a long-dead holdover.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1132#discussion_r1192544257