When Your Class Implements a Comparator Object, You Must Implement

question 56

Multiple Choice

When your class implements a comparator object, you must implement the compare method. What must be true about the return value from this method when comparing two objects, a and b with a call to a.compare(b) ?

• A) It must return 1 if a comes before b, 0 if they are the same, and -1 if a comes after b.
• B) It must return -1 if a comes before b, 0 if they are the same, and 1 if a comes after b.
• C) It must return a positive value if a comes before b, 0 if they are the same, and a negative value if a comes after b.
• D) It must return a negative value if a comes before b, 0 if they are the same, and a positive value if a comes after b.

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Definitions:

Information Processing

The theory or approach that describes how the human mind receives, modifies, stores, and retrieves information.

Parallel Processing

The ability of the brain to simultaneously process incoming stimuli of differing quality, a common method used in modern computers to speed up processing.

Sequential Processing

A cognitive process that involves analyzing and integrating information in a step-by-step, orderly manner, often necessary for complex problem-solving.

Less Conscious

Refers to psychological processes and states that occur without an individual's full awareness, often influencing behaviors and perceptions beyond conscious control.