Traditional structured analysis techniques focus upon the flow of ( ) within a system. Object-oriented analysis emphasizes the building of real-world models, It examines 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 (此空作答) relationships.
