题目:请依据提供的段落内容,选择正确的填空选项。
段落内容:
Traditional structured analysis techniques focus upon the flow of _______ within a system.
Object-oriented analysis emphasizes the building of real-world models, examining requirements from the perspective of the classes and objects found in the vocabulary of the _______ domain.
Traditional system design method emphasizes the proper and effective structure of a complex system. Object-oriented design method encompasses the process of object- oriented decomposition and a _______ for depicting both logical and physical as well as static and dynamic models of the system under design.
Object-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an _______ of some class, and whose classes are all members of a hierarchy of classes united via _______ relationships.