using System;

​

namespace Practice_8

{

    abstract class AObject

    {

        public string Name { get; set; }

        abstract public string AboutMe();

    }

    interface IFlyingObject

    {

       string Fly();      

    }

    interface ISwimmingObject

    {

        string Swim();

    }

    interface IGroundRunning

    {

        string GroundRunning();

    }

    interface IHavingAnEngine

    {

       string HaveAnEngine();

    }

​

    class Plane : AObject, IFlyingObject, IHavingAnEngine

    {

    }

​

}

​