XenoAmess commented on pull request #574:
URL: https://github.com/apache/commons-lang/pull/574#issuecomment-665137439


   refined the tests.
   full jmh test at: https://pastebin.ubuntu.com/p/FhWRhHx6v6/
   in short:
   ```
   Benchmark                               Mode  Cnt     Score     Error  Units
   StringUtilsNormalizeSpaceTest.testNew   avgt    5  1732.831 ?127.293  ns/op
   
   StringUtilsNormalizeSpaceTest.testNew2  avgt    5   437.049 ? 29.495  ns/op
   
   StringUtilsNormalizeSpaceTest.testOld   avgt    5   574.871 ? 46.116  ns/op
   ```
   indicates:
   New, New2, Old is 3 version of a same function.
   we of course should choose the fastest one, means New2 here.


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