Question

Question 116 pts

(TCO 2) What is the output of the following code?
                        void func(int x)
                        {
                                    x = x * 2;
                        }
int main( )
{
        int x = 10;
        func(x);
        cout << x << endl;
}

20

30

10

5

Question 126 pts

(TCO 2) A derived class is typically an example of _____.

a “has a” relationship

an “is a” relationship

a “uses a” relationship

an “is used” relationship

Question 136 pts

(TCO 2) Given the following class definition and lines of code, Line 1 in main is a call to what?
class Distance
{
private:
    int feet;
    double inches;
public:
    Distance( );
    Distance(int initFt, double initIn);
    void setFeet(int feetIn);
    void setInches(double inchesIn);
    int getFeet() const;
    double getInches( ) const;
};
int main( )
{
Distance d1;              //Line 1
const int MAX = 100;      //Line 2
Distance list[MAX];       //Line 3
Distance d2(1, 2.3);      //Line 4
Distance * pDist;         //Line 5
d1.feet = 5;              //Line 6
// etc. – assume the remaining code is correct
}

The 0-argument Distance constructor

The 2-argument, int, double, Distance constructor

The 2-argument, double, int, Distance constructor

The 1-argument, int, Distance constructor

Question 146 pts

(TCO 2) How many parameters are required to overload the pre-increment operator for a class as a member function?

None

1

2

No limit

Question 156 pts

(TCO 2) When organizing a program into three files (main, class implementation, and class header), which is not a .cpp file?

main

none are .cpp

class header

class implementation

Question 166 pts

(TCO 2) Composition is typically an example of _____.

a “has a” relationship

an “is a” relationship

a “uses a” relationship

an “is used” relationship

Question 176 pts

(TCO 2) Given a class called Employee and the following definitions and statements, which of the statements below correctly calls the function passing in the address of the data array?
void myFunction (Employee * eptr);
Employee emp;

myFunction(emp);

myFunction(&emp);

myFunction(*emp);

myFunction(**emp);

Question 186 pts

(TCO 2) Given the definition of some class called Employee, which of the following correctly dynamically allocates an array of 20 Employee objects?

Employee * myData = new Employee[20];

Employee myData[20] = new Employee[20];

Employee = myData[20];

Employee array = new Employee[20];

Question 196 pts

(TCO 2) Given the following definitions and statements, which of the statements below correctly calls the function passing in the address of the data array?
void myFunction (double * dptr);;
double data [10];

myFunction(data);

myFunction(&data);

myFunction(*data);

myFunction(data[0]);

Question 206 pts

(TCO 2) Which of the following provides the basic attributes and behaviors of a Java window (a title bar at the top of the window and buttons to minimize, maximize, and close the window)?

JLabel

JFrame

JSwing

JWindowsControl

Answer 1

11) 10
12) an “is a” relationship
13) The 0-argument Distance constructor
14) None(0)
15) class header
16) a “has a” relationship
17) myFunction(&emp);
18) Employee * myData = new Employee[20];
19) myFunction(data);
20) JFrame