C#的引用类型

 1 using System;
 2 
 3 namespace 实验
 4 {
 5     class Program
 6     {
 7         static void Main(string[] args)
 8         {
 9             object o = new object();
10             Console.WriteLine(o.GetType());
11             Console.WriteLine(o.ToString());
12 
13             string s = "hellow";
14             Console.WriteLine(s.ToString());
15             s += " world";
16             Console.WriteLine(s.ToString());
17 
18             string noat = "c:\\asd\\fgh";
19             Console.WriteLine(noat.ToString());
20 
21             string at = @"c:\asd\fgh";
22             Console.WriteLine(at.ToString());
23 
24             Console.ReadLine();
25         }
26     }
27 }