What Must a Subclass Do to Modify a Private Superclass

question 94

Multiple Choice

What must a subclass do to modify a private superclass instance variable?

• A)The subclass must simply use the name of the superclass instance variable.
• B)The subclass must declare its own instance variable with the same name as the superclass instance variable.
• C)The subclass must use a public method of the superclass (if it exists) to update the superclass's private instance variable.
• D)The subclass must have its own public method to update the superclass's private instance variable.

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Definitions:

Mean

The arithmetic average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Number of Successes

This term refers to the count of times an outcome of interest occurs in a statistical experiment.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used in hypothesis testing and estimation.