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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8814) Inefficient comparison with the empty string. Use isEmpty() instead
Date Thu, 20 Sep 2012 02:31:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459297#comment-13459297

Brandon Li commented on HADOOP-8814:

Yes. I missed that one. :-( 
Thanks! Fixed in the new patch.
> Inefficient comparison with the empty string. Use isEmpty() instead
> -------------------------------------------------------------------
>                 Key: HADOOP-8814
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8814
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf, fs, fs/s3, ha, io, metrics, performance, record, security,
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>            Priority: Minor
>         Attachments: HADOOP-8814.patch, HADOOP-8814.patch
> Prior to JDK 6, we can check if a string is empty by doing "".equals(s) or s.equals("").
> Starting from JDK 6, String class has a new convenience and efficient method isEmpty()
to check string's length.

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