Serwios commented on PR #1332:
URL: https://github.com/apache/commons-lang/pull/1332#issuecomment-2541819216
Hi, in JDK 8 and earlier, + compiles to StringBuilder. From JDK 9 onward, it
uses StringConcatFactory, which optimizes simple cases like this to behave
similarly to StringBuilder.
This guarantee should be present as return type.getLabel() + ' ' +
arch.getLabel(); is compiled to return new
StringBuilder().append(type.getLabel()).append('
').append(arch.getLabel()).toString();
https://stackoverflow.com/questions/11942368/why-use-stringbuilder-explicitly-if-the-compiler-converts-string-concatenation-t
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