using System;class Che{protected int speed;protected int maxSpeed;protected int weight;public void Run(string name) { Console.WriteLine("我是" + name + "的開車方法"); }public void Stop(string name) { Console.WriteLine("我是" + name + "的停車方法"); }}class Bike : Che{}class Car : Che{}class Test{static void Main(){Bike b = new Bike();b.Run("自行車");b.Stop("自行車");Car c = new Car();c.Run("汽車");c.Stop("汽車");}}屬性字段沒有使用