abstract class Animal
    {
        private string name;

        public string Name
        {
            get
            {
                return name;
            }

            set
            {
                name = value;
            }
        }

        public abstract void Eat();
        public abstract void Move();
        public Animal(string name)
        {
            this.Name = name;
        }
    }

   //各種介面
    interface IJump
    {
        void Junp();
    }
    interface IFly
    {
        void Fly();
    }
    interface ISwim
    {
        void Swim();
    }
    /// <summary>
    /// 蛇繼承動物類繼承遊介面
    /// </summary>
    class Snake : Animal, ISwim
    {
        public Snake(string name) : base(name)
        {


        }
        public override void Eat()
        {
            Console.WriteLine("吞");
        }
        public override void Move()
        {
            Console.WriteLine("爬行");
        }

        public void Swim()
        {
            Console.WriteLine("遊動");
        }
    }
    /// <summary>
    /// 鳥繼承動物類繼承飛的介面
    /// </summary>
    class Bird : Animal, IFly
    {
        public Bird(string name) : base(name)
        {

        }
        public override void Eat()
        {
            Console.WriteLine("捕食蟲子");
        }

        public void Fly()
        {
            Console.WriteLine("飛");
        }

        public override void Move()
        {
            Console.WriteLine("飛");
        }
    }
    /// <summary>
    /// 飛行員繼承了動物類繼承了飛跳遊3個介面
    /// </summary>
    class Flyer : Animal, IFly, IJump, ISwim
    {

        public Flyer(string name ):base(name)
        {

        }
        public override void Eat()
        {
            
        }
        public override void Move()
        {
            
        }

        public void Fly()
        {
            
        }

        public void Junp()
        {
            
        }

        public void Swim()
        {
          
        }
    }