Exam 6: Object Modeling

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_____ describe what objects need to know about each other, how objects respond to changes in other objects, and the effects of membership in classes, superclasses, and subclasses.

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The black box concept is an example of _____, which means that all data and methods are self-contained.

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Inheritance enables an object, called a _____, to derive one or more of its attributes from a parent.

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Just as objects are similar to adjectives, attributes resemble verbs that describe what and how an object does something.

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In a class diagram, each class appears as a(n) _____, with the class name at the top, followed by the class's attributes and methods.

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What do relationships enable objects to do? What is the strongest kind of relationship? Walk through an example that demonstrates your understanding of the concept.

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Matching ​Identify the letter of the choice that best matches the phrase or definition. -This ensures consistency and provides common links so that once objects are described and used in one part of the design, they can be reused multiple times without further effort.

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A red Mustang is a(n) _____ of the CAR class.

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Use cases cannot interact with other use cases.

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An object, such as a bank account, can have a specific attribute called a(n) _____ that can be active, inactive, closed, or frozen.

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_____ describes how instances of one class relate to instances of another class.

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For each use case, a _____ in the form of a table is developed to document the name of the use case, the actor, a description of the use case, and so forth.

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The line from the actor to the use case is called a(n) _____.

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Kevin, the trainee analyst at Lynach TechSystems, is in charge of allocating suitable Unified Modeling Language (UML) notations to a particular class diagram. -In a given diagram, Kevin is designing a relationship in which a given employee can have no payroll deductions or he/she can have many deductions. Which of the following notations should Kevin write to mark this relationship?

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When a use case diagram is created, the first step is to identify the system boundary, which is represented by a _____.

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Some objects might have a few attributes; others might have dozens.

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A(n) _____ resembles a verb and defines specific tasks that an object can perform.

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In a sequence diagram, a lifeline is identified by a _____ line.

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Explain a class diagram. Also, explain how a class diagram is like a data flow diagram (DFD).

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In a use case, an external entity, called a(n) _____, initiates a use case by requesting the system to perform a function or process.

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