RFR: 8283706: Add final or sealed modifier to appropriate javax.swing API classes

[Joe Darcy]

On Wed, 6 Apr 2022 05:25:43 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Update Swing classes to use JEP 409 sealed and non-sealed modifiers and add the final modifier where appropriate.
>> 
>> jtreg tests and JCK API tests pass
>> 
>> CSR for review here : https://bugs.openjdk.java.net/browse/JDK-8284214
>
> src/java.desktop/share/classes/javax/swing/GroupLayout.java line 2461:
> 
>> 2459:      */
>> 2460:     public sealed class ParallelGroup extends Group
>> 2461:          permits BaselineGroup {
> 
> The BaselineGroup class is private so not part of the public API, is it fine to mention the non-public class in the permits block for the public class?

Yes, that is fine; javadoc will filter out displaying non-public classes in a permits clause.

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PR: https://git.openjdk.java.net/jdk/pull/8082