A base class given with at least one 'public' member function, all of the child classes can redefine that member function. Hence, option C 'all of them' is the correct answer.
A base class is referred to as the parent class of a child class, so as it is correct to state that a child class is inherited from a base or parent class. When a child class is inherited from its parent or base class, the child class has access to reading all the public member functions of its parent /base class. The access modifier 'public' means that any member of the base class declared public can be accessed from outside the class.
Thus, all of the child classes which are inherited from the base class can redefine the 'public' member function of the base class.
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Complete question is:
given a base class with at least one public member function, how many classes can redefine that member function?
a. 1
b. 0
c. all of them
d. none of the above
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