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

[Sergey Bylokhov]

On Wed, 6 Apr 2022 05:42:08 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> 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.

Just to double-check, it is fine to have it in the output of the getPermittedSubclasses for the public class as well?

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