Overload Add for int and double.
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using System;
class Program
{
static void Main()
{
Console.WriteLine(Calculator.Add(2, 3));
Console.WriteLine(Calculator.Add(2.5, 3.1));
static class Calculator {
public static int Add(int a, int b) => a + b;
public static double Add(double a, double b) => a + b;
}
}
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Compile-time polymorphism via method overloading.
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