Question 1

Operators must be friends of the class.

Accepted Answer

Operators do not necessarily have to be friends of a class to work with its private or protected members; they can also be member functions of the class.

Question 2

Friend functions may directly modify or access the private data members.

Accepted Answer

Friend functions can access and modify private data members of a class.

Question 3

Functions that are constant member functions may call constant class accessor functions.

Accepted Answer

Constant member functions can only access constant member variables and call constant member functions.

Question 4

Putting the keyword const after the function declaration guarantees __________________________

Accepted Answer

The answer of Putting the keyword const after the function...

Question 5

If you have mutators and accessors, you should not have friend functions also

Accepted Answer

While it is true that mutators and accessors (getters and setters) can provide access to private member variables, there may be situations where a friend function is necessary to access private member variables or perform certain operations on the class. Therefore, having mutators and accessors does not necessarily mean that friend functions should not be used.

Question 6

If a given task being performed by a function involves one object, then that function should normally be a __________ function.

Accepted Answer

The answer of If a given task being performed by...

Question 7

Functions that are constant member functions may call the class mutator functions.

Accepted Answer

Constant member functions cannot call mutator functions because mutator functions modify the object's state, which is prohibited in constant member functions.

Question 8

You cannot create new operators such as the quote).

Accepted Answer

In programming languages, the set of operators is fixed by the language specification and cannot be modified or extended by the programmer.

Question 9

In order to do automatic type conversion for your class, you would write _________

Accepted Answer

The answer of In order to do automatic type conversion...

Question 10

An operator that expects two parameters is called a ________ operator.

Accepted Answer

The answer of An operator that expects two parameters is...

Question 11

An overloaded extraction or insertion operator should return ___________

Accepted Answer

The answer of An overloaded extraction or insertion operator should...

Question 12

Putting the keyword const in front of a pass by reference parameter guarantees ___________________

Accepted Answer

The answer of Putting the keyword const in front of...

Question 13

The following is a properly declared overloaded insertion operator for myClass.
ostream& operator <<ostream &out, const myClass &obj);

Accepted Answer

The given overloaded insertion operator for myClass is properly declared with the correct syntax of overloading the << operator for output.

Question 14

A friend function needs to be passed an object of the class. If the friend only needs to access the object, but not change its data members, then the object should be passed as _______________

Accepted Answer

The answer of A friend function needs to be passed...

Question 15

You may not change the precedence of operators by overloading them

Accepted Answer

The precedence of operators cannot be changed by overloading them. The precedence of operators is fixed and determined by their symbol and syntax.

Question 16

All operators can be overloaded.

Accepted Answer

Some operators, such as the member access operator (.), cannot be overloaded in C++.

Question 17

If a given task being performed by a function involves more than one object, then that function should normally be a __________ function.

Accepted Answer