Lecture 8- DomainModeling
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Questions and Answers

What is a domain class?

  • A class that describes software classes
  • A class that includes attributes and methods
  • A class that describes objects in the problem domain (correct)
  • A class that includes methods
  • What is the UML Domain Class Notation for attribute names?

  • Not capitalized and use camelback notation (correct)
  • Not capitalized and use snake case notation
  • Always capitalized and use snake case notation
  • Always capitalized and use camelback notation
  • What does a simple domain model class diagram depict?

  • Relationships between compound class names
  • Relationships between software classes
  • Relationships between objects in the problem domain (correct)
  • Relationships between methods and attributes
  • What is a domain model class diagram?

    <p>A class diagram that only includes classes from the problem domain, not software classes so no methods</p> Signup and view all the answers

    What is the purpose of a domain model class diagram?

    <p>To visualize the classes in the problem domain and their relationships</p> Signup and view all the answers

    What is a class diagram in UML?

    <p>A diagram that shows classes with attributes and associations (plus methods if it models software classes)</p> Signup and view all the answers

    How are compound class names represented in UML Domain Class Notation?

    <p>Using camelback notation</p> Signup and view all the answers

    What does a domain model class diagram not include?

    <p>Software classes and methods</p> Signup and view all the answers

    What is a domain model class diagram used for?

    <p>To represent classes and their relationships in the problem domain</p> Signup and view all the answers

    What is the notation for class names in UML Domain Class Notation?

    <p>Always capitalized</p> Signup and view all the answers

    What is the key difference between composition and aggregation?

    <p>The child does not exist independently of its parent in composition, whereas in aggregation, the child is standalone</p> Signup and view all the answers

    What is a special form of association in UML class diagrams?

    <p>Aggregation</p> Signup and view all the answers

    What type of relationship is whole part relationship in UML class diagrams?

    <p>One class is a component or part of another class</p> Signup and view all the answers

    What is the purpose of an initial draft of the domain model class diagram in a project?

    <p>To guide development</p> Signup and view all the answers

    What does the UML class diagram notation represent?

    <p>Domain model class diagram for a system</p> Signup and view all the answers

    Which type of relationship is inheritance in UML class diagrams?

    <p>Generalization/specialization relationship</p> Signup and view all the answers

    What are domain model classes lacking?

    <p>Methods</p> Signup and view all the answers

    What is the key characteristic of whole part relationships in UML class diagrams?

    <p>One class is a component or part of another class</p> Signup and view all the answers

    What is the main purpose of the RMO CSMS Project Domain Model Class Diagrams?

    <p>To create a domain model for the system</p> Signup and view all the answers

    What is the key difference between association relationships and generalization/specialization relationships in UML class diagrams?

    <p>Association relationships represent connections between classes, whereas generalization/specialization relationships represent inheritance</p> Signup and view all the answers

    What does UML notation for multiplicity represent?

    <p>The relationship between instances of different classes</p> Signup and view all the answers

    When is an association class used?

    <p>In a many-to-many association to remember attributes</p> Signup and view all the answers

    How is the key for an association class formed?

    <p>By concatenating the keys of the attached classes</p> Signup and view all the answers

    What do generalization/specialization involve?

    <p>Hierarchical relationships where subordinate classes are special types of superior classes</p> Signup and view all the answers

    What does inheritance in generalization/specialization allow subclasses to do?

    <p>Inherit characteristics of the more general superclass</p> Signup and view all the answers

    What are abstract classes, concrete classes, and their attributes explained in the context of?

    <p>Inheritance for RMO and a bank with special types of accounts</p> Signup and view all the answers

    What are aggregation and composition in relation to association?

    <p>Subsets of association, each with distinct characteristics</p> Signup and view all the answers

    How is aggregation represented in UML notation?

    <p>With a diamond symbol</p> Signup and view all the answers

    What is the possibility of multiplicity symbols for in whole-part relationships?

    <p>Highlighting the number of parts related to a whole</p> Signup and view all the answers

    What do domain model class diagrams illustrate?

    <p>A bank with many branches and course enrollment at a university</p> Signup and view all the answers

    Study Notes

    UML Notation and Class Diagrams in Systems Analysis and Design

    • UML notation for multiplicity represents the relationship between instances of different classes
    • Domain model class diagrams for a bank with many branches and course enrollment at a university are illustrated
    • An association class is used in a many-to-many association to remember attributes such as grades in a refined course enrollment model
    • The key for an association class is formed by concatenating the keys of the attached classes
    • In a hospital registration system, each ward has many medical histories, and each patient has many visits associated with a ward
    • The concept of generalization/specialization involves hierarchical relationships where subordinate classes are special types of superior classes
    • Inheritance in generalization/specialization allows subclasses to inherit characteristics of the more general superclass
    • Abstract classes, concrete classes, and their attributes are explained in the context of inheritance for RMO and a bank with special types of accounts
    • Whole-part relationships, such as aggregation and composition, are described with examples like a computer and its disk storage devices
    • Aggregation and composition are subsets of association, each with distinct characteristics
    • Notation for aggregation with a diamond symbol and the possibility of multiplicity symbols for whole-part relationships are highlighted
    • The text is from "Systems Analysis and Design in a Changing World, 7th Edition - Chapter 4" by Cengage Learning, 2016

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    8-DomainModeling PDF

    Description

    Test your knowledge of UML notation and class diagrams in systems analysis and design with this quiz. Explore concepts such as multiplicity, association classes, generalization/specialization, inheritance, and whole-part relationships. Gain a deeper understanding of these key principles through practical examples from various domains, including banking, education, and healthcare.

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