using System;

​

class Foo

{

  public virtual void Quux(int a)

  {

    Console.WriteLine("Foo.Quux(int)");

  }

}

​

class Bar : Foo

{

  public override void Quux(int a)

  {

    Console.WriteLine("Bar.Quux(int)"); // this method is ovveride

  }

  public void Quux(object a)

  {

    Console.WriteLine("Bar.Quux(object)");

  }

}

​

class Baz : Bar

{

  public override void Quux(int a)

  {

    Console.WriteLine("Baz.Quux(int)"); // this method is ovveride

  }

  public void Quux<T>(params T[] a)

  {

    Console.WriteLine("Baz.Quux(params T[])");

  }

}

public class Program

{

    public static void Main()

    {

      new Bar().Quux(42);

      new Baz().Quux(42);

    }

}