On Mon, 15 Mar 2021 06:56:00 GMT, Alan Bateman <al...@openjdk.org> wrote:

>> Nothing outside of the JDK should be hacking into this private field of a 
>> non-exposed class, this should not be a concern here.
>
>> @AlanBateman so is it ok to keep `ArrayLists`?
> 
> One thing to look out for is usages of 2-arg add method that inserts at a 
> specific position. This shouldn't be a concern in URLClassPath.closeLoaders 
> (assuming this is this usage where the question arises).

@AlanBateman looks like `List.add(o, i)` is not used at all in scope of these 
changes.

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PR: https://git.openjdk.java.net/jdk/pull/2744

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