[jira] [Created] (SPARK-39056) Use `Collections.singletonList` instead of `Arrays.asList` when there is only one argument

[Yang Jie (Jira)]

Yang Jie created SPARK-39056:
--------------------------------

             Summary:   Use `Collections.singletonList` instead of 
`Arrays.asList` when there is only one argument
                 Key: SPARK-39056
                 URL: https://issues.apache.org/jira/browse/SPARK-39056
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core, SQL
    Affects Versions: 3.4.0
            Reporter: Yang Jie


Use `Collections.singletonList` instead of `Arrays.asList` when there is only 
one argument.

 

before
{code:java}
List<String> one = Arrays.asList("one"); {code}
after
{code:java}
List<String> one = Collections.singletonList("one"); {code}



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