static void Main(string[] args)
{
var p1 = new Person("Andrey", 17, new Dog("Tuzik", 3));
p1.Print();
var p2 = p1.ShallowCopy();
var p3 = p1.DeepCopy();
p1.Dog.Name = "123";
Console.WriteLine("Shallow copy doesn't properly copy inner reference types (except String)!");
p2.Print();
Console.WriteLine("Deep copy properly copy inner reference types.");
p3.Print();
Console.WriteLine();
Console.WriteLine("Prototype registry usage");
Console.WriteLine();
var registry = new PersonRegistry();
registry.Add(1, new Person("Alex", 30, new Dog("Ralf", 5)));
registry.Add(2, new Person("Dasha", 20, new Dog("Barni", 4)));
registry.Add(3, new Person("Egor", 15, new Dog("Bobik", 8)));
var p4 = registry.GetById(1);
var p5 = registry.GetById(1);
p5.Print();
p4.Dog.Name = "something else";
Console.WriteLine("Clones from registry are not connected to each other.");
p5.Print();
}