[jira] [Created] (FLINK-8105) Removed unnecessary null check

[Shang Yuanchun (Jira)]

Hai Zhou UTC+8 created FLINK-8105:
-------------------------------------

             Summary: Removed unnecessary null check
                 Key: FLINK-8105
                 URL: https://issues.apache.org/jira/browse/FLINK-8105
             Project: Flink
          Issue Type: Improvement
          Components: Checkstyle
    Affects Versions: 1.4.0
            Reporter: Hai Zhou UTC+8
            Assignee: Hai Zhou UTC+8
            Priority: Minor
             Fix For: 1.5.0


eg.
{code:java}
if (value != null && value instanceof String)
{code}

null instanceof String returns false hence replaced the check with

{code:java}
if (value instanceof String)
{code}



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