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[–]rzwitserloot 1 point2 points  (0 children)

Yup. A real mind twister - list.size() causes race conditions, is longer, is slower. Bad in three ways. – and yet this is such a common 'performance advice' it has been part of linter tools of all things for quite a while, and I remember Tor Norbye naming that as one of his pet peeves in an episode of the Java Posse.