According to the principle of information hiding,the data fields of a class must be declared as ______.
A)public
B)protected
C)private
D)abstract

Question

Quizplus · Accepted Answer

According to the principle of information hiding, the internal implementation details of a class should be hidden from the outside world. Therefore, the data fields of a class should be declared as private, so that they cannot be accessed or modified directly by code outside of the class. Public or protected data fields would violate the principle of information hiding, as they would expose the internal state of the class and make it more difficult to change the implementation in the future without affecting the code that uses the class. Abstract is not a valid access modifier for data fields.

According to the Principle of Information Hiding,the Data Fields of a Class