RFR: 8357696: Enhance code consistency: java.desktop/unix [v3]

[Sergey Bylokhov]

On Sun, 1 Jun 2025 02:27:50 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> This is a request to update the remaining parts of the java.desktop/unix package.
>> The sun.awt subpackage under java.desktop/unix was previously addressed by https://github.com/openjdk/jdk/pull/24941.
>> 
>> ====================================================
>> 
>> The `java.desktop` module currently lacks proper use of the `@Override` annotation for methods and the `final` modifier for classes. While similar changes were previously made in the [JavaSound](https://github.com/openjdk/jdk/commit/e0c7d59246cf36644d494eced76e4b9d96ff1ded#diff-ae3e5f9c40fe25ef03e7a89844de174ef5c15e6179d769e2a4bcb7e73688c9b5), [java.desktop/windows](https://github.com/openjdk/jdk/pull/24170) (and some of the classes on demand), these changes are not as critical now due to the new jdk "encapsulation", but they are still useful for improving code consistency.
>> 
>> The public API was not affected so there is no need to worry about a CSR
>> 
>> Note: I will submit additional patches in this area later because:
>> 
>> 1. Only lines with `@Override` and `final` were modified to keep the diff clear - header dates were not updated (that could be covered by one patch similar to [this](https://bugs.openjdk.org/browse/JDK-8345797))
>> 2. I skipped adding `@Override` for anonymous classes
>> 
>> Any feedback or suggestions are welcome!
>> 
>> Here is a [link](https://patch-diff.githubusercontent.com/raw/openjdk/jdk/pull/25439.diff) to a simple diff file, it might be more convenient for reviewing the changes.
>> 
>> To download the diff file and filter only the modified lines you can use the following script:
>> 
>> 
>> curl -s https://patch-diff.githubusercontent.com/raw/openjdk/jdk/pull/25439.diff -o d.txt && grep -E '^+|^-' d.txt
>> 
>> 
>> The build was successful, and I ran all the open jtreg tests without issues. But it's possible that some closed tests may be affected by these changes. It would be good to verify this by mach5 to ensure everything works as expected.
>
> Sergey Bylokhov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix merge

The merge conflict with [PR #24412](https://github.com/openjdk/jdk/pull/24412) has now been resolved in latest update.

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PR Comment: https://git.openjdk.org/jdk/pull/25439#issuecomment-2926315834