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Object Oriented Data Modeling

Object Oriented Data Modeling
Which of the following is a technique for hiding the internal implementation details of an object?

Inheritance
All of these
Polymorphism
Encapsulation

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Object Oriented Data Modeling
A method defines the form or protocol of the operation, but not its implementation.

False
True

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Object Oriented Data Modeling
A UML diagram includes which of the following?

Class name
List of attributes
List of operations
All of these

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Object Oriented Data Modeling
Which of the following applies to a class rather than an object?

Update
Constructor
Query
Scope

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Object Oriented Data Modeling
A constructor operation does which of the following?

Deletes and existing instance of a class
Updates an existing instance of a class
All of these
Creates a new instance of a class

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

True
False

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