单选题 Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is ______. It determines how the various results are computed by the product and presents this information in the form of a ______ and associated scenarios, The second is ______, which determines the classes and their attributes. Then determine the interrelation ships and interaction. The last step is ______, which determines the actions performed by or to each class or subclass and presents this information in the form of ______.
【正确答案】 A
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【正确答案】 C
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【正确答案】 B
【答案解析】
【正确答案】 C
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【正确答案】 D
【答案解析】[解析] 面向对象的分析(OOA)是一种面向对象型的半形式化描述技术。面向对象的分析包括3个步骤：第1步是用例建模，它决定了如何由产品得到各项计算结果，并以用例图和相关场景的方式展现出来；第2步是类建模，它决定了类及其属性，然后确定类之间的关系和交互；第3步是动态建模，它决定了类或每个子类的行为，并以状态图的形式进行表示。