Simple delegate example excerpt

class Program
{
    // 1 Declaration of a delegate type
    public delegate void PersonEatsDelegate(); 

    static void Main()
    {
        // 3 Instantiation of a delegate (short form)
        PersonEatsDelegate personEatsDelegate = Person.Eats;

        // 3 Instantiation of a delegate (long form)
        PersonEatsDelegate personEatsDelegate1 = new PersonEatsDelegate(Person.Eats);


        //4 Invocation of delegate
        personEatsDelegate();
    }
}

public class Person
{
    // 2 Method compatible with PersonEatsDelegate
    public static void Eats()
    {
        Console.WriteLine("The person eats!");
    }

    public static void Says(string message)
    {
        // Some implementation
    }
}