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);
        }
    }
}