抽象类与抽象成员

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;



namespace 抽象类与抽象成员

{

    abstract public class CUnit

    {

        private string myName;

        private int mySpeed;

        public CUnit()

        {

            myName = "";

            mySpeed = 0;

        }

        public CUnit(string name, int speed)

        {

            myName = name;

            mySpeed = speed;

        }

        public string Name

        {

            get { return myName; }

            set { myName = value; }

        }

        public int Speed

        {

            get { return mySpeed; }

            set { mySpeed = value; }

        }

        abstract public void Move(int x, int y);

    }

    public class CSoldier : CUnit

    {

        public CSoldier()

        {

            this.Name = "士兵";

            this.Speed = 10;

        }

        //如果子类成员有和父类成员同名的时候，就必须用this和base区分。

        //父类里面有一个成员比如int  a;那么你子类里面也可以再定义一个int a，

        //这个时候base.a和this.a表示的就不是一个变量了，如果说子类里面没有，

        //那么base.a和this.a表示的都是一个变量。

        public CSoldier(string name, int speed): base(name, speed)

        {

 

        }

        public override void Move(int x, int y)

        {

            Console.WriteLine("{0}步行到({1},{2})", this.Name, x, y);

        }

    }

    public class CJeep : CUnit

    {

        public CJeep()

        {

            this.Name="吉普";

            this.Speed = 100;

        }

        public CJeep(string name, int speed): base(name, speed)

        { }

        public override void Move(int x, int y)

        {

            Console.WriteLine("{0}行驶到({1},{2})",this.Name,x,y);

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            CSoldier cs=new CSoldier();

            cs.Move(4,7);

            CJeep cj=new CJeep();

            cj.Move(50, 80);

        }

    }

}