Which of the Following Statements About Class Attributes Is True

question 101

Multiple Choice

Which of the following statements about class attributes is true?

• A)An attribute always corresponds to an instance variable of the class.
• B)An attribute is an externally observable property that objects of the class have.
• C)An attribute is used to represent aggregation with another class.
• D)Attributes cannot be represented in UML diagrams.

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Definitions:

Prokaryotic Cell

A type of cell lacking a distinct nucleus and other organelles, found in organisms of the domains Bacteria and Archaea.

Bacterium

A domain of single-celled, prokaryotic organisms that are often characterized by cell walls, and can be found in a vast array of environments.

Comma-Shaped

Resembling the punctuation mark comma in shape, with a curved form that narrows to a point at one end.

Vibrios

Vibrios are a genus of Gram-negative bacteria, many of which are pathogenic, causing diseases such as cholera in humans.