using System;
using System.Collections.Generic;
using
System.Linq;
using System.Text;
namespace 继承
{
class Program
{
static void
Main(string[] args)
{
chinese p1=new chinese();
p1.name="陈一姐";
p1.sayhello();
p1.户口="fujian";
p1.gongfu();
person c1 =
p1;//这是合理地
c1.sayhello();
//
chinese c2 = new person();//这是错误的
//
chinese c2 = c1;//这是错误的
chinese c2 =
(chinese)c1;//保证p1一定是中国人,由程序员强行转换
c2.sayhello();
object c3 =
p1;//object是所有类的基类,
c3.sayhello();//父类中没有这个函数
Console.ReadKey();
}
}
class person:Object//所有的类都是基于object类,可以不写
{
public
string name { set; get; }
public int age { set; get; }
public void sayhello()
{
Console.WriteLine("{0}",
this.name);
}
}
class chinese : person
{
public string 户口 {
get; set; }
public void gongfu()
{
Console.WriteLine("我打");
}
}
}
原文:http://www.cnblogs.com/cyychenyijie/p/3731427.html