C#基础知识

一、数据类型

     object _human = "人";

     int _age = 24;

     string _name = "张三";

     bool _sex = true;

     char _pinyin='F';

     float _height = 173.25F;

    double _weight = 120.345;

    decimal _hairthickness = 0.00003M;

二、