Which of the Following Statements About Abstract Superclasses Is True

question 3

Multiple Choice

Which of the following statements about abstract superclasses is true?

• A) abstract superclasses may contain data.
• B) abstract superclasses may not contain implementations of methods.
• C) abstract superclasses must declare all methods as abstract.
• D) abstract superclasses must declare all data members not given values as abstract.

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Definitions:

Ozonolysis-Reduction

A chemical reaction where a carbon-carbon double bond is cleaved by ozone, forming ozonides, which are then reduced to yield alcohols, aldehydes, or ketones.

Alkene

Unsaturated hydrocarbons containing at least one carbon-carbon double bond.

Reagents

Chemicals or substances infused into a system to trigger a chemical reaction or to verify the occurrence of a reaction.

Transformation

A process by which one thing changes into another, often applied in the context of mathematical functions, biological metamorphosis, or data manipulation.