OBJECT ORIENTED DATA MODELING QUIZ

In UML, a class is represented by a rectangle with three compartments separated by vertical lines.

True

False

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The fact that the same operation may apply to two or more classes is called what?

Inheritance

Polymorphism

Encapsulation

Multiple classification

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Aggregation is which of the following?

Expresses an is-a relationship and is a stronger form of an association relationship.

Expresses a part-of relationship and is a weaker form of an association relationship.

Expresses an is-a relationship and is a weaker form of an association relationship.

Expresses a part-of relationship and is a stronger form of an association relationship.

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Each association has two or more roles.

True

False

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The reasons for overriding include extension, restriction, and optimization.

False

True

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Which of the following applies to a class rather than an object?

Constructor

Scope

Update

Query

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A derived element is typically shown by placing either a slash (/) or a stereotype of <> before the name of the element.

False

True

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An object can have which of the following multiplicities?

One

More than one

Zero

All of these

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A solid diamond represents a stronger form of aggregation, known as composition.

False

True

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In an object diagram, an object is represented as a rectangle with two compartments.

False

True

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