using System;
using System.Collections.Generic;
using System.Text;

namespace 接口练习
{
    public interface Ivehicle
    {
        int trumpet();
    }

    class Bike : Ivehicle
    {
        public int trumpet()
        {
            Console.WriteLine("I am bike 玲玲!");

        }
    }

    class Bus : Ivehicle
    {
        public int trumpet()
        {
            Console.WriteLine("I am bus 叭叭!");
        }
    }

    class Program
    {
      
            static void Main(string[] args)
        {
            Bike dc = new Bike();
            Bus gc = new Bus();

            dc.trumpet();
            gc.trumpet();

            Console.ReadLine();


      }


        }
    }

class Bike : Ivehicle
    {
        public int trumpet()
        {
            Console.WriteLine("I am bike 玲玲!");

        }
    }

    class Bus : Ivehicle
    {
        public int trumpet()
        {
            Console.WriteLine("I am bus 叭叭!");
        }
    }