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Object Oriented Analysis Design (OOAD Test)

Topics Covered

  • DRY
  • KISS (UML Diagrams)
  • SOLID (Dependency Inversion Principle)
  • SOLID (single responsibility principle)
  • SOLID ( interface segregation principle)

Useful for hiring

  • Java Developer - OOAD
  • Software Development Engineer - OOAD

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The CRC modeling primarily requires:

Note: There can be multiple correct answers to this question.

    • identifying classes and their responsibilities

    • identifying collaborators of each class and their responsibilities

    • developing a collaboration graph


Which of the following is false for Filter pattern?

Note: There can be multiple correct answers to this question.

    • This pattern is used when we need to decouple an abstraction from its implementation so that the two can vary independently.

    • This pattern refers to creating a duplicate object while keeping performance in mind.

    • This pattern enables developers to filter a set of objects using different criteria and to chain them in a decoupled way through logical operations.


Which of the following are false for the given statement?
In a system sequence diagram, lifelines as depicted as:

Note: There can be multiple correct answers to this question.

    • the bars

    • the dashed vertical lines extended downwards from the actor and system symbols

    • object classes

    • horizontal arrows from the actors to the system

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