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https://issues.apache.org/jira/browse/CASSANDRA-14367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434808#comment-16434808
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Jeremiah Jordan commented on CASSANDRA-14367:
---------------------------------------------

The static method call is not non-monomorphic, the later uses of the List will 
be, since there will now be multiple List implementations used.

> prefer Collections.singletonList to Arrays.asList(one_element)
> --------------------------------------------------------------
>
>                 Key: CASSANDRA-14367
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14367
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Dave Brosius
>            Assignee: Dave Brosius
>            Priority: Trivial
>             Fix For: 4.x
>
>         Attachments: 14367.txt
>
>
> small improvement, but Arrays.asList first creates an array, then wraps it 
> with a collections instance, whereas Collections.singletonList just creates 
> one small (one field) bean instance.
> so a small cut down on garbage generated.



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