If a Subclass Constructor Does Not Explicitly Call a Superclass

question 26

Multiple Choice

If a subclass constructor does not explicitly call a superclass constructor, __________.

• A) the superclass's fields will be set to the default values for their data types
• B) Java will automatically call the superclass's default or no-arg constructor immediately after the code in the subclass's constructor executes
• C) it must include the code necessary to initialize the superclass fields
• D) Java will automatically call the superclass's default or no-arg constructor just before the code in the subclass's constructor executes

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Definitions:

Chebyshev's Theorem

A statistical theorem stating that for any real-valued random variable, a minimum proportion of values fall within a certain number of standard deviations from the mean, regardless of the shape of the distribution.

Normal Distribution

A symmetrical, bell-shaped distribution of data where most measurements are concentrated around the mean, describing many types of naturally occurring data.

Empirical Rules

statistical rules that apply to normal distributions, describing how many observations fall within certain standard deviations from the mean.

Label

A label is a piece of information attached to an object, product, or document that provides identification, description, warnings, or instructions.