Which Statement Is True When a Superclass Has Protected Instance

question 10

Multiple Choice

Which statement is true when a superclass has protected instance variables?

• A) A subclass object can assign an invalid value to the superclass's instance variables, thus leaving an object in an inconsistent state.
• B) Subclass methods are more likely to be written so that they depend on the superclass's data implementation.
• C) We may need to modify all the subclasses of the superclass if the superclass implementation changes.
• D) All of the above.