RFR: 8292280: Unused field 'keyListener' in BasicRadioButtonUI

[Phil Race]

On Thu, 11 Aug 2022 06:53:16 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Field `keyListener` was added under [JDK-8033699](https://bugs.openjdk.org/browse/JDK-8033699). But then all its usages were removed in [JDK-8249548](https://bugs.openjdk.org/browse/JDK-8249548)

src/java.desktop/share/classes/javax/swing/plaf/basic/BasicRadioButtonUI.java line 148:

> 146: 
> 147:         Icon altIcon = b.getIcon();
> 148: 

So what's this about ?

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PR: https://git.openjdk.org/jdk/pull/9832