RFR: 6400876: (bf) Remove sun.nio.ByteBuffered and releated obsolete code

[Jaikiran Pai]

On Tue, 28 Oct 2025 10:34:54 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

> Nice cleanup!
> 
> [This line](https://github.com/openjdk/jdk/blob/9625993611bb6acf84d428bea4a65d33b9d66e5f/test/micro/org/openjdk/bench/jdk/internal/jrtfs/ImageReaderBenchmark.java#L1065) should probably be removed.

Good catch. I need to go back and check why my search didn't find this one. I'll update the PR shortly.

> src/java.base/share/classes/jdk/internal/loader/Resource.java line 133:
> 
>> 131:      */
>> 132:     public ByteBuffer getByteBuffer() throws IOException {
>> 133:         InputStream in = cachedInputStream();
> 
> The method documentation could use a cleanup as well.

Hello Daniel, i did consider that too but decided not to change it because there are implementations of `Resource` class which override this method to indeed return a `ByteBuffer` for certain implementations. Of course in those implementations they don't use the obsolete `ByteBuffered` interface. The javadoc text appeared generic enough to leave it in the current form.

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PR Comment: https://git.openjdk.org/jdk/pull/28016#issuecomment-3455873612
PR Review Comment: https://git.openjdk.org/jdk/pull/28016#discussion_r2469054578