25-08-2017, 09:32 PM
System Analysis (Modeling of the Existing and Proposed System using OOD)
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Introduction
This section consists of the modeling of the proposed system using object oriented methodology by applying unified modeling language (UML). All the activities are performed by the actors (such as Student and Employee) are analyzed by using different modeling diagrams. These diagrams include use case diagram, sequence diagram, activity diagram, and conceptual diagram.
Activity Diagram
Activity diagrams are graphical representations of workflows of stepwise activities and actions with support for choice, iteration and concurrency. In the Unified Modeling Language, activity diagrams can be used to describe the business and operational step-by-step workflows of components in a system. An activity diagram shows the overall flow of control.