RFR: 8298639: Perform I/O operations in bulk for RandomAccessFile [v5]

[Alan Bateman]

On Fri, 16 Dec 2022 09:06:10 GMT, Per Minborg <pminborg at openjdk.org> wrote:

>> This PR suggests improving performance for read and write operations for the longer primitives in `RandomAccessFile`.
>> 
>> These improvements would also propagate to other JDK classes relying on these improved `RandomAccessFile` operations.
>
> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove redundant import

Marked as reviewed by alanb (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11644