练习题60：接口练习2：真的鸭子会游泳 木头鸭子不会游泳 橡皮鸭子会游泳

练习题60：接口练习2：真的鸭子会游泳 木头鸭子不会游泳 橡皮鸭子会游泳

using System;

namespace 接口练习2
{
    class Program
    {
        static void Main(string[] args)
        {
            //真的鸭子会游泳 木头鸭子不会游泳 橡皮鸭子会游泳
            //ISwimming swim = new RealDuck();
            ISwimming swim = new XPDuck();
            swim.Swim();
            Console.ReadKey();
        }
    }

    public class RealDuck: ISwimming
    {
        public void Swim()
        {
            Console.WriteLine("真的鸭子靠翅膀游泳");
        }
    }

    public class MuDuck 
    {

    }

    public class XPDuck:ISwimming
    {
        public void Swim()
        {
            Console.WriteLine("橡皮鸭子飘着游泳");
        }
    }

    public interface ISwimming
    {
        void Swim();
    }
}
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