他们可以在类图中查看代码，来观察这些关系。

They can view their code in Class Diagrams to see these relationships.

youdao

很多人发现这是一种快速查看类基本结构的方法，而不会被大量代码分心。

Many people find this a way to see the basic structure of a class quickly without getting distracted by large amounts of code.

youdao

展开HelloWorld _ WC工作类定义，以查看策略标准，如图13中所示。

Expand the HelloWorld_WC work class definition to see the policy criteria, shown in Figure 13.

youdao

So another way saying it again is, when I call the class definition, by default I'm going to look to see is there an init method there, and if there is, I'm going to use it.

当我调用类的定义，默认的是语言要去查看，是不是有个init的方法,如果有的话，程序就会调用它，按照惯例。

麻省理工公开课 - 计算机科学及编程导论课程节选