TAILIEUCHUNG - Lecture Software design and architecture – Chapter 24

The class diagram is a static model that shows the classes and the relationships among classes that remain constant in the system over time. The class diagram depicts classes, which include both behaviors and states, with the relationships between the classes. The following sections will first present the elements of the class diagram, followed by the way in which a class diagram is drawn. | SOFTWARE DESIGN AND ARCHITECTURE LECTURE 24 Review ANALYSIS Level Class Diagram Identifying Entities Identifying Attributes Identifying Operations Identifying Relationships Outline Design Level Class Diagram Identifying classes/Operations/Attributes Associations Simple associations Multiplicity Aggregation Composition Generalization Class diagram 5 Essential Elements of a UML Class Diagram Class Attributes Operations Relationships Associations Generalization Dependency Realization Constraint Rules and Notes 6 What is a Class Diagram? A class diagram describes the types of objects in the system and the various kinds of static relationships that exist among them. A graphical representation of a static view on declarative static elements. A central modeling technique that runs through nearly all object-oriented methods. The richest notation in UML. Classes A class is the description of a set of objects having similar attributes, operations, relationships and behavior. 7 Window size: .

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• Software design
• Software design and architecture
• Software architecture
• Software architectural design
• Object oriented design
• Software development
• Software design methods
• Distributed software architecture
• Data flow software architecture
• Software requirement specification
• Software development activities
• Component based software engineering