CSharp-Learning/lessons/Lesson06/Animals/Animal.cs

using System;

namespace Lesson06.Animals
{
    class Animal
    {
        protected string name;

        public Animal(string name)
        {
            this.name = name;
        }

        public void Eat()
        {
            Console.WriteLine($"{name} 在吃东西");
        }

        // virtual 允许子类重写
        public virtual void Speak()
        {
            Console.WriteLine($"{name} 发出了声音");
        }
    }
}