Using public set methods helps provide data integrity if:
A) The instance variables are public.
B) The instance variables are private.
C) The methods perform validity checking.
D) Both b and c

Question

Quizplus · Accepted Answer

Public set methods can only help provide data integrity if the instance variables are private, as this restricts access to the variables outside the class. Additionally, if the set methods perform validity checking, such as ensuring that the input meets certain criteria, this can further enhance data integrity. Therefore, both options B and C are necessary for public set methods to be effective in ensuring data integrity.

Using Public Set Methods Helps Provide Data Integrity If