static void Main(string[] args)
{
var animal = new Animal();
var walk = new Walkable();
var human = new Human(animal, walk);
human.HumanActivity("John");
var humanNew = new Human(animal, walk);
humanNew.HumanActivity("Alice");
}
public Human(Animal animal, Walkable walkable)
{
_animal = animal;
_walkable = walkable;
}