Returning references to non-const, private data:
A) Allows private functions to be modified.
B) Is only dangerous if the binary scope resolution operator (::) is used in the function prototype.
C) Allows private member variables to be modified, thus "breaking encapsulation."
D) Results in a compiler error.

Question

Quizplus · Accepted Answer

Returning references to non-const private data allows external code to modify the private member variables, violating encapsulation and potentially causing unexpected behavior in the program.

Returning References to Non-Const, Private Data