Why is the following code, which assumes ChoiceQuestion is a subclass of Question, considered poor strategy?
A)Question should be the subclass, not the other way around.
B)instanceof is not an operator but rather a method.
C)instanceof should not be used for type tests that can be solved by using polymorphism.
D)the instanceof reserved word should only be used in a class constructor.

Question

Why is the following code, which assumes ChoiceQuestion is a subclass of Question, considered poor strategy?  
A)Question should be the subclass, not the other way around. 
B)instanceof is not an operator but rather a method. 
C)instanceof should not be used for type tests that can be solved by using polymorphism. 
D)the instanceof reserved word should only be used in a class constructor.

Quizplus · Accepted Answer

The Answer of Why is the following code, which assumes ChoiceQuestion is a subclass of Question, considered poor strategy?  
A)Question should be the subclass, not the other way around. 
B)instanceof is not an operator but rather a method. 
C)instanceof should not be used for type tests that can be solved by using polymorphism. 
D)the instanceof reserved word should only be used in a class constructor.

Why Is the Following Code, Which Assumes ChoiceQuestion Is a Subclass