RFR: 8354791: Use Hashtable.putIfAbsent in CSS constructor [v2]

[Andrey Turbanov]

On Mon, 28 Apr 2025 23:40:29 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   add CSS. prefix
>
> src/java.desktop/share/classes/javax/swing/text/html/CSS.java line 737:
> 
>> 735:                            valueMapper);
>> 736:         Object generic = new CssValue();
>> 737:         for (Attribute key : Attribute.allAttributes) {
> 
> It seems that the entire method references the Attribute class via the CSS prefix.

Good catch. Updated

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PR Review Comment: https://git.openjdk.org/jdk/pull/22032#discussion_r2066513730