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:

Japan

An island country located in East Asia, known for its rich cultural heritage, advanced technology, and strong economy.

European Union

is a political and economic union of 27 European countries that are bound together by various treaties aimed at enhancing economic cooperation, free movement, and common external policies.

Brazil

Brazil is a large South American country known for its diverse culture, tropical landscapes, and as an emerging market within the global economy.

Merchandise Balance

reflects the difference between a country's exports and imports of physical goods, excluding services.