An Example of a Primary Data Source Is ________

question 185

Multiple Choice

An example of a primary data source is ________.

• A) cost data
• B) intranet
• C) company files
• D) observation
• E) library

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Definitions:

Abstract Methods

Abstract methods are methods in Java that are declared without an implementation in an abstract class, and must be implemented by subclasses.

Downcasting

The process of converting a reference of a parent class to a reference of a child class in the object hierarchy.

Ancestor Class

A class from which another class is derived, either directly or through one or more levels of inheritance.

Descendent Class

A class in object-oriented programming that inherits properties and methods from one or more base classes, also known as a subclass.