RFR: 8359053: Implement JEP 504 - Remove the Applet API [v6]

[Sergey Bylokhov]

On Wed, 11 Jun 2025 19:18:15 GMT, Phil Race <prr at openjdk.org> wrote:

>> This is the implementation of JEP 504 - Remove the Applet API.
>> API changes are
>> - Remove the entire java.applet package
>> - Remove the javax/swing/JApplet class
>> - Remove applet related APIs in java.beans
>> - Update javadoc referring to applets, including one gif image - now changed to an svg image
>> - 
>> Other changes are
>> - Remove references to the removed classes
>> - Remove obsolete tests
>> - Update obsolete code comments
>> 
>> sun.awt.AppContext is even more obsolete now than it was before, but eliminating uses of that will be is not required,
>> and will be follow-on internal clean up, at a later date, under unrelated bug ids, and likely not completed in the same
>> release as this JEP is integrated.
>> 
>> I have extensively tested this - running all the automated tests used by CI tiers 1 to 8.
>
> Phil Race has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8359053

src/java.desktop/share/classes/java/awt/Window.java line 3864:

> 3862:                 content.setOpaque(isOpaque);
> 3863: 
> 3864:                 // Iterate down one level to see whether we have (eg) a JInternalFrame

I think it is more related to top level windows like JWindow/JDialog etc.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25698#discussion_r2140906732