uml questions 21-30
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Questions and Answers

The following diagram represents a pattern:

  • which defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and can update automatically.
  • which is used to provide a sequential access to elements of a collection without knowing its internal organisation (correct)
  • which allows an object to alter its behaviour when its internal state changes
  • which allows to compose objects into tree structures to represent part-whole hierarchies, lets clients treat individual objects and compositions of objects uniformly.

    • Element M3 represents:

  • asynchronous return message
  • synchronous message
  • found message
  • asynchronous mesasge (correct)

    • Select one:

  • which is used to provide a sequential access to elements of a collection without knowing its internal organisation
  • which allows to compose objects into tree structures to represent part-whole hierarchies, lets clients treat individual objects and compositions of objects uniformly.
  • which defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and can update automatically. (correct)
  • which allows an object to alter its behaviour when its internal state changes

    • Element E1 on the following diagram is:

    <p>an interface</p> Signup and view all the answers

    Element E6 on the following diagram is:

    <p>an active class</p> Signup and view all the answers

    The relationship between U2 and U3 is:

    <p>dependency, where U3 is an option present in U2</p> Signup and view all the answers

    Select one:

    <p>2</p> Signup and view all the answers

    The diagram shown below is:

    <p>a class diagram</p> Signup and view all the answers

    The relationship between A1 and A2 is:

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

    The diagram shown below is:

    <p>a state machine diagram</p> Signup and view all the answers

    Study Notes

    Diagram Representation

    • The diagram represents a pattern.

    Element Representation

    • Element M3 represents a specific entity.

    Element Identification

    • Element E1 is a distinct component in the diagram.
    • Element E6 is another distinct component in the diagram.

    Relationship between Entities

    • U2 and U3 have a specific relationship.

    Diagram Classification

    • The diagram is a specific type of diagram.

    Relationship between Components

    • A1 and A2 have a specific relationship.

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