RFR: JDK-8287261: [macos] JList Focus Ring color doesn't follow Accent color changes on macOS [v2]

[Harshitha Onkar]

On Wed, 1 Jun 2022 16:54:43 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>> test/jdk/javax/swing/JTable/CellFocusRingTest.java line 85:
>> 
>>> 83:         }
>>> 84: 
>>> 85:         if (UIManager.getDefaults().get("CellFocus.color") != null
>> 
>> if (UIManager.getDefaults().get("CellFocus.color") != null
>>                 && UIManager.getDefaults().get("CellFocus.color")
>>                 instanceof Color)
>> 
>> can be changed into 
>> 
>>         if (UIManager.getDefaults().get("CellFocus.color")
>>                 instanceof Color)
>> 
>> Since if the object is null then `instanceof` returns false.
>
> @TejeshR13 Your suggestion was to remove redundant null check. Correct, this is a better way to shorten the condition. Will have the changes done in the next commit.

Updated PR with changes

-------------

PR: https://git.openjdk.java.net/jdk/pull/8896