您正在建立的方法和属性有sample类。
You are establishing which methods and attributes will have the Sample class.
到目前为止，所看到的方法和属性都在对象上下文中进行操作。
The methods and properties you have seen so far all operate in object context.
以下是一些有用的方法和属性，它们的名称表明了各自的用途。
Helpful methods and properties like these have names that indicate what they do.
应用推荐