Suppose a Developer Gets Class XYZ Files and Documentation from a Subcontractor

question 23

Multiple Choice

Suppose a developer gets class XYZ files and documentation from a subcontractor. This class does not implement the Comparable interface. What must be true in order for the developer to sort an array of XYZ objects without modifying the xyz class?

• A) The XYZ class must implement the Sortable interface.
• B) XYZ objects must be randomly distributed.
• C) XYZ objects must be ordered.
• D) The developer must supply a comparator object belonging to a class that implements the Comparator<XYZ> interface.

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Definitions:

Peristalsis

The series of wave-like muscle contractions that moves food through the digestive tract.

Irritable Bowel Syndrome

A chronic gastrointestinal disorder characterized by abdominal pain, bloating, and alteration of bowel habits without any organic cause.

Ulcerative Colitis

A chronic inflammatory bowel disease that causes ulcers and inflammation in the innermost lining of the colon and rectum.

CHO

An abbreviation commonly used for carbohydrates, a group of molecules that includes sugars, starches, and fiber, critical for providing energy to living organisms.