系统分析与设计管 理 学 院祁 巍房地产综合信息系统v 系统分析阶段 ,我们开发了用例图、用例描述以及系统顺序图。现以 “add a listing”和“request listing information”为练习对象，绘制系统顺序图 first-cut sequence diagram Next, add view layer and data access layer objects to the sequence diagram. Convert the domain class diagram to a design class diagram by typing in the attributes and adding method signatures. class diagram
