Palomar College CSCI 222 Quiz_ Final Exam (MC option) Questions_ 2025/26.

Final Exam (MC option)
Started: May 22 at 3:12pm

Quiz Instructions





Canvas Support
This test is open book and open notes. You have 6 hours to complete the exam in one sitting.
Once you start the exam, the clock on Canvas will start clicking, so make sure that you allocated
a continuous 6-hour block for the exam.

You may use your textbook, homework, labs, lectures, etc.. Exam is due back via Canvas before





midnight May 27, 2025.

This test is all multiple choice.


Question 1 1 pts
Which of the following hides the implementation details of the data members and member functions
within a class?

Virtualization


Inheritance


Abstraction


Encapsulation

Question 2 1 pts
How can you traverse from one node to another in a list<string> ?

By using a pointer to a list<string> object


By using an integer index


By using an iterator


By using a pointer to a node<string> object


Question 3 1 pts

Given a class Name with member functions get_first and get_last , which of the following functions
overloads < < so that one can print a name as

, stream << name << endl;



void operator<<(ostream& out, const Name& name)
{
out << name.get_first() << " " << name.get_last();





}




Canvas Support
ostream& operator<<(ostream& out, const Name& name)
{
return out << name.get_first() << " " << name.get_last();
}





ostream& operator<<(const Name& name, ostream& out)
{
return out << name.get_first() << " " << name.get_last();
}




ostream& operator<<(ostream& out, const Name& name)
{
return cout << name.get_first() << " " << name.get_last();
}



Question 4 1 pts
What is the correct function prototype to implement an equals comparison operation for a class such as
Time ?

bool operator==(Time a, Time b)


bool ==(Time a, Time b)


void ==(Time a, Time b)


void operator==(Time a, Time b)


Question 5 1 pts

What is the problem with the following code snippet, which is attempting to locate the first element in the
list names ?

list<string> names;
...
string first = names[1];

,You need to first check that the size of names is at least 2.


It is not legal to use the [] operator with a list<string> object.





There is no problem with the code snippet.




Canvas Support
The first element will be located by using names[0] .

Question 6 1 pts





What is the output of the following code snippet?

class Building
{
public:
void set_height(double count);
void get_data() const;

private:
double height;
};
void Building::get_data() const
{
cout << height << endl;
}
void Building::set_height(double count)
{
height = count;
}
int main()
{
Building blg1, blg2;
blg1.set_height(150);
blg2.set_height(100);
blg1.get_data();
blg2.get_data();
return 0;
}




150

100



100

150

, 150

250





Canvas Support
150

150


Question 7 1 pts





What operator must be overloaded if you want to use the standard library sort with a class such as
Time ?


>


==


All of these


<


Question 8 1 pts
How can you locate the ninth node in a doubly-linked list named items ?

Start at the first node and follow pointers to the next node in the list until the ninth node is located.


items[9]


items[10]


items[8]


Question 9 1 pts

Which is true about the following operator < < function intended to read in a Time object as in

Time t; stream >> t;
istream& operator>>(istream& in, Time a)
{
int hours, minutes;
char separator;
in >> hours;
in.get(separator); // Read : character
in >> minutes;
a = Time(hours, minutes);