using System;

namespace MyApplication
{
  // Interface
  interface IAnimal 
  {
    void animalSound(); // interface method (does not have a body)
  }

  // Pig "implements" the IAnimal interface
  class Pig : IAnimal 
  {
    public void animalSound() 
    {
      // The body of animalSound() is provided here
      Console.WriteLine("The pig says: wee wee");
    }
  }

  class Program 
  {
    static void Main(string[] args) 
    {
      Pig myPig = new Pig();  // Create a Pig object
      myPig.animalSound();
    }
  }
}