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Date: Sun, 16 Sep 2012 13:37:07 +1100 (NCT)
From: "Brandon Li (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8814) Inefficient comparison with the
 empty string. Use isEmpty() instead
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     [ https://issues.apache.org/jira/browse/HADOOP-8814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Li updated HADOOP-8814:
-------------------------------

    Status: Patch Available  (was: Open)
    
> 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
>         Attachments: 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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