Which of the following statements about a superclass is true? Answer a. An abstr

Question

Which of the following statements about a superclass is true?
Answer

a.
An abstract method may be used in a superclass when there is no good default method for the superclass that will suit all subclasses' needs.
b.
An abstract method may be used in a superclass to ensure that the subclasses cannot change how the method executes.
c.
An abstract method may be used in a superclass when the method must have identical implementations in the subclasses.
d.
An abstract method may not be used in a superclass.

Explanation / Answer

An abstract method may be used in a superclass when the method must have identical implementations in the subclasses. C is an answer

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