RFR: 8364146: JList getScrollableUnitIncrement return 0

[Prasanta Sadhukhan]

On Fri, 1 Aug 2025 06:45:37 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> It seems JList.getScrollableUnitIncrement can sometime return 0 instead of positive number which is not specified in the javadoc which can lead to confusion. Clarified javadoc as to when it can return 0.
>
> src/java.desktop/share/classes/javax/swing/JList.java line 2512:
> 
>> 2510:      * @return the "unit" increment for scrolling in the specified direction;
>> 2511:      *         which is usually positive. But it can return 0
>> 2512:      *         if {@code visibleRect} points to that row
> 
> should it be `the` or `that` ?
> Suggestion:
> 
>      *         if {@code visibleRect} points to the row
> 
> 
> Requires a CSR too ?

it is "that" row being pointed to by visibleRect
and yes CSR is needed but I want to finalise the wordings first.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26500#discussion_r2247175728