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https://issues.apache.org/jira/browse/WICKET-6952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Heigl resolved WICKET-6952.
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Resolution: Fixed
> Performance improvements for Strings.isEmpty
> --------------------------------------------
>
> Key: WICKET-6952
> URL: https://issues.apache.org/jira/browse/WICKET-6952
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-core
> Affects Versions: 9.7.0
> Reporter: Thomas Heigl
> Assignee: Thomas Heigl
> Priority: Minor
> Fix For: 10.0.0, 9.8.0
>
>
> {{Strings.isEmpty}} is one of the most called methods in our application and
> consistently shows up as hot in our production profiler.
> Two simple performance optimizations can be tried:
> - Overload the method with a {{String}} parameter, to help the JIT compiler
> with it's decision to inline the method
> - Avoid calling {{String.trim}} if the first character isn't whitespace
> See https://github.com/apache/wicket/pull/497.
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