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

question 61

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:

L-Alanine

An enantiomer of the amino acid alanine, which is a key compound in the biosynthesis of proteins.

Aqueous Solution

A mixture in which water serves as the solvent.

pH

A scale used to specify the acidity or basicity of an aqueous solution, correlating to the concentration of hydrogen ions present.

Isoelectric Point

The pH at which a molecule carries no net electrical charge or is electrically neutral in the statistical mean.