Object-Oriented Data Modeling – True or False

1. A method defines the form or protocol of the operation, but not its implementation.

A. True
B. False

Correct Answer: B. False

2. A class is a concept, abstraction, or thing that makes sense in an application context.

A. True
B. False

Correct Answer: A. True

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

A. True
B. False

Correct Answer: B. False

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

A. True
B. False

Correct Answer: A. True

5. When a business rule involves three or more graphical symbols, you can show the constraint as a note and attach the note to each of the symbols by a dashed line.

A. True
B. False

Correct Answer: A. True

Leave A Comment?

five × four =