A Simple Rule to Follow When Creating Problem Domain Classes

question 15

Multiple Choice

A simple rule to follow when creating problem domain classes and data access and manipulation classes is that there should be ______________.

• A) One data access and manipulation class for each concrete problem domain class
• B) Two data access and manipulation classes for each concrete problem domain class
• C) N data access and manipulation classes for each concrete problem domain class, where N is the number of methods in the problem domain class
• D) N data access and manipulation classes for each concrete problem domain class, where N is the number of subclasses of the problem domain class
• E) none of these

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Definitions:

Substitution

The economic principle where consumers replace pricier items with less expensive alternatives when prices rise or their purchasing power decreases.

Indifference Curve

This is a graph representing different bundles of goods between which a consumer is indifferent, meaning that each combination offers the same level of utility to the consumer.

Indifference Curves

Graphical representations in microeconomics showing different bundles of goods between which a consumer is indifferent.

Consumer's Preferences

The subjective tastes and desires that guide consumer behavior in choosing among various goods and services.