Polymorphism: overloading example

polymorphism.cs

using System; 

namespace polymorphismExample 
{ 
  public class Numbers 
  {
    public void addition(int a, int b)
    {
      Console.WriteLine(a + b);
    }
    public void addition(int a, int b, int c)
    {
      Console.WriteLine(a + b + c );
    } 
  } 
  
  public class Display
  {
    static void Main(string[] args) 
    { 
      Numbers obj = new Numbers();
      obj.addition(3, 7);
      obj.addition(9, 4, 2);
      Console.ReadKey(); 
    } 
  }
}