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Diff
  • public class Sum
    {   
      public Sum(){}
      public long GetSum(long a, long b) => a + b;   
    }
    • public class Sum
    • {
    • public int GetSum(int a, int b) => a + b;
    • public class Sum
    • {
    • public Sum(){}
    • public long GetSum(long a, long b) => a + b;
    • }