1. 本节知识点

• Classes are the vocabulary and terminology of an area of knowledge

• As you talk with clients

• analyze their area of knowledge

• design computer systems that solve problems in that area

• you learn the terminology and model the terms as classes in the UML

• In your conversations with clients

• be alert to the nouns they use to describe the entities in their business. Those nouns will become the classes in your model

• Be alert also to the verbs that you hear because these will constitute the operations in those classes

• The attributes will emerge as nouns related to the class nouns

• you have a core list of classes, question the clients as to what each class is supposed to do within the business. Their answers will tell you the class responsibilities

2. 本节视频