c#代码

using System;
namespace bccb
{
    class Cuboid
    {

        public virtual  int Cubage()
        {
            return length * width * height;
        }
        public void seLength(int l)
        {
            length = l;
        }
        public void setWidth(int w)
        {
            width = w;
        }
        public void setHeight(int h)
        {
            height = h;
        }
        protected int length;
        protected int width;
        protected int height;
    }

    class Cube: Cuboid
    {
        public override int Cubage()
        {
            return (width*width*width);
        }
    }

    class CubeTester
    {
        static void Main(string[] args)
        {
            Cuboid cuboid = new Cuboid();
            cuboid.seLength(5);
            cuboid.setWidth(2);
            cuboid.setHeight(3);
            Console.WriteLine("长方体体积： {0}",  cuboid.Cubage());


            Cube cube = new Cube();
            cube.setWidth(5);

            Console.WriteLine("正方体体积： {0}",  cube.Cubage());
            Console.ReadKey();
        }
    }
}