When an object or structure variable is passed to a function as a constant reference
A) the function accesses the original object, rather than a copy of it.
B) the function cannot make any changes to the member variables.
C) it is more efficient than passing it by value.
D) all of the above are True.
E) A and B are True, but not C.

Question

Quizplus · Accepted Answer

When an object or structure variable is passed to a function as a constant reference, the function accesses the original object (not a copy), cannot modify it due to the const qualifier, and it is more efficient than passing by value since no copy of the object is created.

When an Object or Structure Variable Is Passed to a Function