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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8814) Inefficient comparison with the empty string. Use isEmpty() instead
Date Sat, 10 Aug 2013 10:56:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13735846#comment-13735846
] 

Hudson commented on HADOOP-8814:
--------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #297 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/297/])
update CHANGES.txt for HADOOP-8814 (brandonli: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1512515)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt

                
> 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,
util
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>            Priority: Minor
>             Fix For: 3.0.0, 2.3.0, 2.1.1-beta
>
>         Attachments: HADOOP-8814.branch-2.patch, 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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