[jira] [Created] (SPARK-36047) Replace the handwriting compare methods with static compare methods in Java code

["Yang Jie (Jira)" <ji...@apache.org>]

Yang Jie created SPARK-36047:
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             Summary: Replace the handwriting compare methods with static compare methods in Java code
                 Key: SPARK-36047
                 URL: https://issues.apache.org/jira/browse/SPARK-36047
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.3.0
            Reporter: Yang Jie


There are some handwriting compare methods like `ShuffleInMemorySorter.SortComparator`
{code:java}
private static final class SortComparator implements Comparator<PackedRecordPointer> {
  @Override
  public int compare(PackedRecordPointer left, PackedRecordPointer right) {
    int leftId = left.getPartitionId();
    int rightId = right.getPartitionId();
    return Integer.compare(leftId, rightId);
  }
}
{code}
the handwriting compare methods can replace with `Integer.compare()` method and similar methods after Java 1.7



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