C# 接口
接口默认 public abstract
using System; namespace ClassAndIn { internal class Program { static void Main(string[] args) { // 多态 ICar car = new MiCar(); car.Run(); car.Stop(); } } // 接口,抽象方法省略 public abstract interface ICar { void Run(); void Stop(); } class MiCar : ICar { public void Run() { Console.WriteLine("running ...."); } public void Stop() { Console.WriteLine("stop ...."); } } }