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Posted to commits@netbeans.apache.org by "Carsten Hammer (JIRA)" <ji...@apache.org> on 2019/08/11 18:50:00 UTC

[jira] [Created] (NETBEANS-2972) inspect and transform contains wrong refactoring "passing zero element array.."

Carsten Hammer created NETBEANS-2972:
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             Summary: inspect and transform contains wrong refactoring "passing zero element array.."
                 Key: NETBEANS-2972
                 URL: https://issues.apache.org/jira/browse/NETBEANS-2972
             Project: NetBeans
          Issue Type: Bug
            Reporter: Carsten Hammer


"Passing zero element array to Collection.toArray may affect performance"

This refactoring decreases performance according to [https://shipilev.net/blog/2016/arrays-wisdom-ancients/]

On recent VMs, collection.toArray(new T[0]) is faster than collection.toArray(new T[collection.size()]). Since it is also more readable, it should now be the preferred way of collection to array conversion.



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