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7M701 1 Information Systems Modelling and Design with.

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Presentation on theme: "7M701 1 Information Systems Modelling and Design with."— Presentation transcript:

1 7M701 1 Information Systems Modelling and Design with

2 7M701 2 Objectives Getting acquaint with the visual modelling language UML (Unified Modelling Language) Able to design an information system using UML

3 7M701 3 Study matter Books: Fowler & Scott: UML distilled 2 nd ed Booch, Rumbauch & Jacobson: The Unified Modeling Language – User Guide Web:

4 7M701 4 UML? 1 UML is the successor to the wave of object- oriented analysis and design (OOA&D) methods. The methods of Booch, Rumbaugh and Jacobson (de 3 amigo’s) are merged. UML represents the culmination of best practices in practical object-oriented modelling. UML offers a standard way to write a system’s blueprints, including conceptual things such as business processes and system functions as well as database schemas.

5 7M701 5 UML? 2 UML is a modelling language, a notation used to express and document designs. UML proposes a standard for technical exchange of models and designs. UML also defines a “meta-model”, a diagram that defines the syntax of the UML notation

6 7M701 6 UML Model Views Use Case Modelling Requirements Use Case diagrams Structural Modelling Static structure diagrams Class diagrams Object diagrams Behaviour Modelling State diagrams Interaction diagrams Sequence diagrams Collaboration diagrams Activity diagrams Implementation diagrams

7 7M701 7 UML: what we will cover Use cases Documenting the system’s behaviour from the user’s viewpoint, requirements capture Class diagrams Describing the type of objects in a system and the static relationships between them Activity diagrams Describing the sequencing of activities with support for both conditional and parallel behaviour

8 7M701 8 Relationship between diagrams

9 7M701 9 UML steps 1.Examine the necessities of the information system  use cases 2.Object-oriented domain analysis  decomposition of the problem field in concepts, attributes and associations that may be of relevance to the information system End

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