You Have Decided to Store Objects of a Class in a TreeSet

question 40

Multiple Choice

You have decided to store objects of a class in a TreeSet structure. Which of the following statements is correct?

• A) If the object class implements the Comparable interface, and the sort order in the compare method is acceptable, you do not have to do anything else.
• B) If the object class implements the Comparable interface, and the sort order in the compareTo method is acceptable, you do not have to do anything else.
• C) If the object class implements the Comparable interface, and the sort order in the compare method is acceptable, you must create a comparator object.
• D) If the object class implements the Comparable interface, and the sort order in the compareTo method is acceptable, you must create a comparator object.

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Definitions:

Measures of Dispersion

Statistical tools that describe the spread or variability of a dataset, including the range, variance, and standard deviation.

Mean

The average for a set of scores.

Mode

The value that occurs most frequently in a dataset, representing the "most common" finding or outcome.

Range Values

The difference between the highest and the lowest values in a set of data points, showing the spread or dispersion of the data.