C#面向对象 类的打包

1  class student 2     { 3         public int _code; 4         public int Code//属性 5         { 6             //获取值 7             get 8             { 9                 return 5;10             }11             //设置值12             set13             {14                 _code = value + 9;15             }16         }17         private string _name;18         public string Name19         {20             get { return _name; }21             set { _name = value; }22         }   23     }24 25 student s = new student();26             s.Code = 3;27             Console.WriteLine(s.Code);28             Console.WriteLine(s._code);29             Console.ReadLine();