Skip to content

Instantly share code, notes, and snippets.

@itczl22

itczl22/key-point.md

Created November 6, 2016 04:23
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save itczl22/c86ac5c11b527bc625875cae85e37446 to your computer and use it in GitHub Desktop.
Save itczl22/c86ac5c11b527bc625875cae85e37446 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
key-point.md
  • 类里边 类成员变量只能声明不能定义，由构造函数对其定义
  • 如果类中含有常量（const属性不可改值）或引用型（定义时就得给值）的成员变量，必须通过初始化表对其初始化
  • 在类的声明中给定构造函数的缺省值，类的实现里边不能给定缺省值
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment