RFR: JDK-8297332: Remove easy warnings in base

[Andy Goryachev]

On Mon, 21 Nov 2022 20:43:11 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>> I didn't fix all problems, only the easy non-controversial ones.  Things that might actually be bugs require more careful review and so are best saved for smaller PR's IMHO.
>> 
>> This is already fixing around 2000 warnings in 250 files, and before going in even deeper I'd like to see if this will actually get accepted into JavaFX in a reasonable time frame (PR's changing large numbers of files don't age well).
>
> I only fixed the warnings listed in the ticket :)

but the ticket specifies (javafx.)base, right?

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PR: https://git.openjdk.org/jfx/pull/957