The #ifndef directive tests to see whether ________
A. a class has been defined
B. a variable has been given a value
C. a class has no variable definitions
D. any objects of the class have been instantiated
Answer: Option A
Related Questions on Object Oriented Programming Using C Plus Plus
A. all thrown objects
B. no thrown objects
C. any thrown object that has not been caught by an earlier catch block
D. all thrown objects that have been caught by an earlier catch block
Format flags may be combined using
A. the bitwise OR operator (|)
B. the logical OR operator (||)
C. the bitwise AND operator (&)
D. the logical AND operator (&&)
E. None of the above
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