static void Main(string[] args) { Console.WriteLine(Overloading.Plus(a: 1, b: 2)); Console.WriteLine(Overloading.Plus(1, 2, 3)); Console.WriteLine(Overloading.Plus(1.0, 2.4)); Console.WriteLine(Overloading.Plus(2.4, 1)); int sum = UsingParam.Sum(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); Console.WriteLine("Sum : {0}", sum); }