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Chapter-11-The-Object-Oriented-Approach-to-Design-Use-Case-Realization

Chapter-11-The-Object-Oriented-Approach-to-Design-Use-Case-Realization

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11 Chapter 11: The Object-Oriented Approach to Design: Use Case Realization Systems Analysis and Design in a Changing World
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11 Agenda Object-oriented approach to design Design class diagrams Interaction diagrams Sequence diagrams Package diagrams Three-layer design
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11 Overview How to develop detailed object-oriented design models Programmers use models to code the system Two most important models are design class diagrams and interaction diagrams Design class diagrams extend domain class diagrams Interaction diagrams extend system sequence diagrams
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11 Object-Oriented Design – The Bridge Between Analysis and Programming Bridge between user’s requirements and new system’s programming Programmers use design to write code and test new system
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11 Object-Oriented Event-Driven Program Flow Started with domain class diagram Added as we evolve to design class diagrams What are the messages that pass between objects?
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11 6 Start the Transition from Domain to Design Class Diagrams What are the differences between the domain class diagram and the design class diagram?
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11 Design Models with Their Respective Input Models Back and forth and back and forth and back and forth…
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11 What did you learn? Which two models are most used to do object- oriented design?
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11 Iterative Process of OO Design Create preliminary design class diagrams model Develop interaction diagrams for each use case or scenario ( realization of use cases ) Return to design class diagram Develop method names based design of interaction diagrams Update navigation visibility and attributes
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11 Design Classes and Design Class Diagrams Design class diagrams and detailed interaction diagrams Use each other as inputs and developed in parallel Design decisions are made during development of interaction diagrams Design class diagram is refined When developers build design class diagrams, more classes are added
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11 Standard Stereotypes Found in Design Models Within the Problem Domain Class Exists on System Automation Boundary Interface between <<entity>> and <<boundary>> Class Sends data to/from a database
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11 Internal Symbols Used to Define a Design Class
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11 Student Class Examples for the Domain Diagram and the Design Class Diagram
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11 What did you learn? List the elements included in a method signature.
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