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Image 2.9 Use Case Narrative Illustration
(Source: System Analysis and Design Method – Whitten and Bentley,
2007)
2.2.1.2.
Class Diagram
Based on Whitten and Bentley
(2007), class diagram shows
the system’s object structure which displays object structures as well as
the relationships between those object classes. Class diagram is used to
show relationships between each class (multiplicity, generalization and
aggregation) and as well as how those classes are constructed. This
diagram generally consists of:
1.
Class
Class is a combination of objects that possess common
attributes,
structures, relations and behaviors. All classes in class diagram are
constructed by checking sequence diagram.
2.
Association
Association is a relationship between two classes that are
independent of each other but one class might use the services that
another provides. There are 2 types of association relation which
are:
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