using System;
namespace MethodOverloading
{
    class Program
    {
        static void Main(string[] args)
        {
            MethodOverloadPlay(10, 3);
            Console.WriteLine("+++++");
            MethodOverloadPlay(5, 5, 6);
            Console.WriteLine("+++++");
            MethodOverloadPlay("SP");
            Console.ReadLine();
        }

        static void MethodOverloadPlay(int number1, int number2)
        {
            int result = number1 + number2;
            Console.WriteLine(result);
        }

        static void MethodOverloadPlay(int number1, int number2, int number3)
        {
            int result = number1 + number2 + number3;
            Console.WriteLine(result);
        }

        static void MethodOverloadPlay(string string1)
        {
            Console.WriteLine("Breaking Benjamin & Sick Puppies Rock!");
        }
    }
}

To accomplish Method Overloading, a developer can define two or more methods with the same name. Each method will take a different set of parameters.  The parameter combination or signature, is what the compiler uses to determine which method to use.

Method Overloading

C#