RFR: 8294809: ListenerHelper for managing and disconnecting listeners [v8]

[Andy Goryachev]

On Fri, 4 Nov 2022 17:58:16 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Andy Goryachev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8294809: whitespace
>
> modules/javafx.controls/src/main/java/com/sun/javafx/scene/control/IDisconnectable.java line 35:
> 
>> 33:  */
>> 34: @FunctionalInterface
>> 35: public interface IDisconnectable {
> 
> We don't use the pattern of naming interfaces with a leading `I` in JavaFX (or in the JDK), but since this isn't public API, you can leave it for now.

leaving as is for now.

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PR: https://git.openjdk.org/jfx/pull/908