[jira] [Commented] (MYFACES-3170) [perf] use initialCapacity for ArrayList

["Leonardo Uribe (JIRA)" <de...@myfaces.apache.org>]

    [ https://issues.apache.org/jira/browse/MYFACES-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011779#comment-15011779 ] 

Leonardo Uribe commented on MYFACES-3170:
-----------------------------------------

The improvement is minimal. It is not something really required.

> [perf] use initialCapacity for ArrayList
> ----------------------------------------
>
>                 Key: MYFACES-3170
>                 URL: https://issues.apache.org/jira/browse/MYFACES-3170
>             Project: MyFaces Core
>          Issue Type: Improvement
>          Components: General
>         Environment: myfaces trunk
>            Reporter: Martin Kočí
>            Assignee: Martin Kočí
>            Priority: Minor
>
> new ArrayList() creates Object [10]  and in some situation it is not necessary. For example, UIInput.addValidator allocates ArrayList of size ten but in real usage nobody adds 10 validators to one component.
> Analyze usage of new ArrayList() and myfaces code and use initialCapacity if possible.
> i



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