The Property That Occurs When Entity Types or Object Classes

question 79

Multiple Choice

The property that occurs when entity types or object classes are arranged in a hierarchy and each entity type or object class assumes the attributes and methods of its ancestors best defines:

• A)inheritance
• B)polymorphism
• C)aggregation
• D)generalization

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Definitions:

Ice Ages

Periods of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the expansion of continental and polar ice sheets.

Continents

Large landmasses on Earth's surface, conventionally counted as seven: Africa, Antarctica, Asia, Australia, Europe, North America, and South America.

Oceans

Oceans are large bodies of salt water that cover approximately 71% of the Earth's surface, divided into five major basins: the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.

Landscape

An area of land that is defined by its features, natural and human-made, visible from a particular location.