What Special Value Are the Elements of an Array of Reference

question 69

Multiple Choice

What special value are the elements of an array of reference type objects equal to by default?

• A) 0
• B) void
• C) −1
• D) null

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Definitions:

Least Squares Line

A regression line calculated by minimizing the sum of squares of the differences between observed and predicted values.

Weight

A measurement of the force exerted by gravity on an object, typically measured in pounds or kilograms.

Height

A measurement of an individual or object from base to top or head to foot, commonly used in various contexts to determine vertical length.

Inches

A unit of length in the Imperial and United States customary systems, equivalent to 1/12th of a foot or 2.54 centimeters.