In Java, Polymorphic References Can Be Created Through the Use

question 21

Multiple Choice

In Java, polymorphic references can be created through the use of __________________ and ________________.

• A) inheritance, interfaces
• B) inheritance, abstract classes
• C) interfaces, abstract classes
• D) interfaces, iterators
• E) none of the above

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Definitions:

Frequency

The number of occurrences of a repeating event per unit of time, often applied to waves or vibrations.

Amplitude

The greatest distance of a swing or fluctuation, measured from the point of balance.

Place Theory of Pitch

A theory that suggests the perception of pitch relates to the location of maximum vibration on the basilar membrane inside the cochlea.

Basilar Membrane

A structural element within the cochlea of the inner ear that plays a critical role in sound perception by vibrating in response to sound waves, thus contributing to the mechanical processes that convert sound into neural signals.