C#:将派生类作为参数传递

public class Animal
{
    public virtual void MakeSound()
    {
        Console.WriteLine("The animal makes a sound");
    }
}

public class Dog : Animal
{
    public override void MakeSound()
    {
        Console.WriteLine("The dog barks");
    }
}

public class Cat : Animal
{
    public override void MakeSound()
    {
        Console.WriteLine("The cat meows");
    }
}

public class Program
{
    public static void Main(string[] args)
    {
        Animal dog = new Dog();
        Animal cat = new Cat();

        MakeSound(dog);
        MakeSound(cat);
    }

    public static void MakeSound(Animal animal)
    {
        animal.MakeSound();
    }
}