Lesson1 C#变量类型的使用(Using Vaule Type)
2009-11-16 22:35 youthjiang 阅读(386) 评论(0) 编辑 收藏 举报C#的类型分为三种:
- 内置类型
- 自定义类型
1. 内置类型
下图就是C#中内置的15种内置的类型:
2. 用户自定义的类型
该类型通过类型声明创建,类型声明包括以下信息:
- 要创建类型的种类
- 新类型的名称
- 对类型中每个成员的声明,array和delegat除外
使用用户自定义类型主要是两步:(1)声明类型;(2)实例化该类型的对象。
下面的代码主要是结构类型和枚举类型的使用:
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