An Abstract Class

question 30

Multiple Choice

An abstract class

• A)has at least one method that is identified but not defined.
• B) is defined in each class in which it appears.
• C)has no constructor method.
• D)has at least one data member that is not referenced during processing.

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Definitions:

ROE

Return on Equity, a measure of financial performance calculated by dividing net income by shareholder's equity.

ROA

Return on assets (ROA) is a financial ratio that shows the percentage of profit a company earns in relation to its overall resources.

Liabilities

Measurable obligations resulting from a past transaction; they are expected to be settled in the future by transferring assets or providing services.