C# 基类与派生类

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace ClassTrining
 7 {
 8     class 基类与派生类
 9     {
10     }
11 
12     /// <summary>
13     /// 基类BaseClass
14     /// </summary>
15     public class BaseClass
16     {
17     }
18     /// <summary>
19     /// 派生类MyClass,继承于BaseClass基类，一个类只能继承一个基类
20     /// </summary>
21     public class mali : BaseClass
22     {
23 
24     }
25     /// <summary>
26     /// 抽象类，这个类只能做其它类的基类，用abstract关键字声明抽象类
27     /// </summary>
28     public abstract class myAbsClass
29     {
30         public abstract void dosomesthin();
31 
32         public virtual string GetName()
33         {
34             return "MetroX";
35         }
36     }
37     /// <summary>
38     /// 继承抽象基类
39     /// </summary>
40     public class MyClasskk : myAbsClass
41     {
42         public override void dosomesthin()
43         {
44             
45         }
46 
47         public override string GetName()
48         {
49             //return base.GetName();
50             return "Hello";
51         }
52     }
53 }