CSCI 240 Final Exam Question and
answers verified to pass 2025
The class X contains two data members: an integer called xVal and a float
called xPerc. Which of the following is NOT a valid prototype for the class
definition for X?
a. void X( int, float );
b. void setxVal( int );
c. float getxPerc();
d. X( int, float );
e. void printX(); - correct answer ✔a. void X( int, float );
An instance of a class is known as a/an __________.
a. variable
b. method
c. object
d. thing - correct answer ✔c. object
The :: operator is used to associate a method with a specific class.
a. true
b. false - correct answer ✔a. true
Which of the following statements (a-d) about classes is true?
,a. A class can contain both data members and methods
b. The members of a class may be private or public
c. The name of the constructor is always the same as the name of the class
d. The class definition contains prototype statements for the methods
e. All of the statements (a-d) are true. - correct answer ✔e. All of the
statements (a-d) are true.
If a string will need room for 25 characters, how should it be defined so that it
will be a valid string?
a. char str[25];
b. char str[24];
c. char str[26];
d. char str[]; - correct answer ✔c. char str[26];
Which of the following string functions will ALWAYS produce a valid string
after execution?
a. strcpy
b. strcat
c. Both of the functions (a-b) will produce a valid string - correct answer ✔c.
Both of the functions (a-b) will produce a valid string
The null terminator is __________.
a. used to advance to a new line when executing a cout statement
, b. represented as '\0'
c. used to end a valid string
d. a movie starring Arnold Schwarzenegger
e. All of the statements (a-d) are correct
f. Only statements b and c are correct - correct answer ✔f. Only statements
b and c are correct.
Which of the following is the correct definition for a variable called dblRef that
can hold a reference to the double variable dblNum?
a. double dblRef = dblNum;
b. double *dblRef = &dblNum;
c. double &dblRef = dblNum;
d. double &dblRef; - correct answer ✔c. double &dblRef = dblNum;
Which of the following statements (a-d) are true if the following lines of code
are executed?
int G = 17;
int &H = G;
a. H is now an alternate name for G
b. Adding 1 to H will change the value of G to 18
c. Subtracting 5 from G and printing H will display the value 12
d. The condition H == G will give a true result
e. All of the statements (a-d) are true - correct answer ✔e. All of the
statements (a-d) are true
answers verified to pass 2025
The class X contains two data members: an integer called xVal and a float
called xPerc. Which of the following is NOT a valid prototype for the class
definition for X?
a. void X( int, float );
b. void setxVal( int );
c. float getxPerc();
d. X( int, float );
e. void printX(); - correct answer ✔a. void X( int, float );
An instance of a class is known as a/an __________.
a. variable
b. method
c. object
d. thing - correct answer ✔c. object
The :: operator is used to associate a method with a specific class.
a. true
b. false - correct answer ✔a. true
Which of the following statements (a-d) about classes is true?
,a. A class can contain both data members and methods
b. The members of a class may be private or public
c. The name of the constructor is always the same as the name of the class
d. The class definition contains prototype statements for the methods
e. All of the statements (a-d) are true. - correct answer ✔e. All of the
statements (a-d) are true.
If a string will need room for 25 characters, how should it be defined so that it
will be a valid string?
a. char str[25];
b. char str[24];
c. char str[26];
d. char str[]; - correct answer ✔c. char str[26];
Which of the following string functions will ALWAYS produce a valid string
after execution?
a. strcpy
b. strcat
c. Both of the functions (a-b) will produce a valid string - correct answer ✔c.
Both of the functions (a-b) will produce a valid string
The null terminator is __________.
a. used to advance to a new line when executing a cout statement
, b. represented as '\0'
c. used to end a valid string
d. a movie starring Arnold Schwarzenegger
e. All of the statements (a-d) are correct
f. Only statements b and c are correct - correct answer ✔f. Only statements
b and c are correct.
Which of the following is the correct definition for a variable called dblRef that
can hold a reference to the double variable dblNum?
a. double dblRef = dblNum;
b. double *dblRef = &dblNum;
c. double &dblRef = dblNum;
d. double &dblRef; - correct answer ✔c. double &dblRef = dblNum;
Which of the following statements (a-d) are true if the following lines of code
are executed?
int G = 17;
int &H = G;
a. H is now an alternate name for G
b. Adding 1 to H will change the value of G to 18
c. Subtracting 5 from G and printing H will display the value 12
d. The condition H == G will give a true result
e. All of the statements (a-d) are true - correct answer ✔e. All of the
statements (a-d) are true
