Consider Classes A, B and C, Where a Is an Abstract

question 14

Multiple Choice

Consider classes A, B and C, where A is an abstract superclass, B is a concrete class that inherits from A and C is a concrete class that inherits from B. Class A declares abstract method originalMethod, implemented in class B. Which of the following statements is true of class C?

• A) Method originalMethod cannot be overridden in class C-once it has been implemented in concrete class B, it is implicitly final.
• B) Method originalMethod must be overridden in class C, or a compilation error will occur.
• C) If method originalMethod is not overridden in class C but is called by an object of class C, an error occurs.
• D) None of the above.

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Definitions:

Nervous System

A complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body.

Meningitis

An inflammation of the protective membranes covering the brain and spinal cord, a condition that can be caused by infection with viruses, bacteria, or other microorganisms.

Inflammation

A protective response by the body's immune system to injury or infection, characterized by redness, warmth, swelling, and pain.

Nerve Tract

A bundle of nerve fibers (axons) connecting different parts of the nervous system.