2023 Top of Form Question 1 1 TCO 2 What is the value | Assignment Collections

Question 1. 1. (TCO 2) What is the value ofdata after the following code executes?
unsigned char data = 0xA5;
data = data & 0xF0; (Points : 6)

Question 2. 2. (TCO 2) If firstName and lastName are string object variables, which statement can be used to combine (append or concatenate) the two into a single string variable? (Points : 6)

Question 3. 3. (TCO 2) For a switch statement, which of the following case statement expressions is invalid or logically incorrect? (Points : 6)

Question 4. 4. (TCO 2) What output does the following code produce?
                                    cout << fixed << setprecision(3);
                                    double pi = 3.14159;
                                    cout << pi << endl; (Points : 6)

Question 5. 5. (TCO 2) What is the value of i after the following code fragment executes?
int i = 2;
int k = 5 ;
i *= k + 1; (Points : 6)

Question 6. 6. (TCO 2) What is the data type of bullpen[3].era?
            struct pitcher
{
     string name;
     double era;
};
pitcher p1;
pitcher bullpen[10]; (Points : 6)

Question 7. 7. (TCO 2) Given the following code fragment, what is the data type of roster[9] .name?
 
struct student
{
            string name;
            double gpa;
};
student thisStudent;
student roster[50]; (Points : 6)

Question 8. 8. (TCO 2) Given the following code fragment, what is the data type of thisStudent?
 
struct student
{
            string name;
            double gpa;
};
student thisStudent; (Points : 6)

Question 9. 9. (TCO 2) Which of the following statements calls the following function correctly?
          int MultiplyValues (int, int); (Points : 6)

Question 10. 10. (TCO 2) What is the output of the following code?

void func(int x[ ])
{
            x[0] = x[0] * 3;
            x[1] = x[1] * 3;
            x[2] = x[2] * 3;
}

int main ()
{
            int x[ ] = {1, 2, 3};
            func(x);
            cout << x[0] << ” ” << x[1] << ” ” << x[2] << endl;
} (Points : 6)

Question 11. 11. (TCO 2) Which of the following function definitions uses pass-by-values? (Points : 6)

Question 1. 1. (TCO 2) How many parameters are required to overload the pre-increment operator for a class as a member function? (Points : 6)

Question 2. 2. (TCO 2) What is the name of a member function of a class that only accesses the value(s) of member variable(s) and does not modify the value(s)? (Points : 6)

Question 3. 3. (TCO 2) Which of the following is a valid declaration to overload the following function?
int whatever (double x); (Points : 6)

Question 4. 4. (TCO 2) Variables defined to be of a user-declared class are referred to as: (Points : 6)

Question 5. 5. (TCO 2) When organizing a program into three files (main, class implementation, and class header), which is not a .cpp file? (Points : 6)

Question 6. 6. (TCO 2) What is the data type of pDist for the code snippet below?
Distance * pDIST; (Points : 6)

Question 7. 7. (TCO 2) What is the output of the following code snippet?
                  int value = 10;
                  int * iptr = &value;
                  *iptr = 5;
                  Cout << *iptr << “ “ << value; (Points : 6)

Question 8. 8. (TCO 2) What is wrong with the following C++ statements?
int * iptr;
double d = 123.321;
iptr = &d;
cout << *iptr; (Points : 6)

Question 9. 9. (TCO 2) What does the following Java code do?
            JPanel pane = new JPanel( );
            pane.setLayout( new gridLayout(2, 3) ); (Points : 6)

Question 10. 10. (TCO 2) Which of the following is an example of the invocation of a static method in Java? (Points : 6)

Question 11. 11. (TCO 2) Which Java interface would you need to implement in order to handle events such as key pressed or key released events? (Points : 6)

Question 12. 12. (TCO 2) What can you say about the following Java class?
Public class MyApp extends JFrame ( …) (Points : 6)

Question 13. 13. (TCO 2) The Graphics class in Java provides methods to: (Points : 6)

Question 14. 14. (TCO 2) The x, y drawing coordinate system used in Java graphics (Points : 6)

Question 1. 1. (TCO 2) Which of the following is not a C++ logical operator? (Points : 6)

Question 2. 2. (TCO 2) What is wrong with the following switch statement?
switch(x)
{
case 0:
    cout << x;
case 2:
    cout << 2 / x;
    break;
default:
    cout << “error”;
    break;
} (Points : 6)

Question 3. 3. (TCO 2) Why does this code snippet give a compile error?
int   loopCounter = 0;
       numberOfScores = 20;
while (loopcounter < numberOfScores)
            cout << “nInside the loop”; (Points : 6)

Question 4. 4. (TCO 2) Which operation in the following expression will be performed first?
c = a++ / b + 5; (Points : 6)

Question 5. 5. (TCO 2) Which looping statement is best if the number of iterations is known? (Points : 6)

Question 6. 6. (TCO 2) Given the following code fragment, what is the data type of roster[9] .name?
 
struct student
{
            string name;
            double gpa;
};
student thisStudent;
student roster[50]; (Points : 6)

Question 7. 7. (TCO 2) Which type of error does the following code fragment cause?
const int MAX = 500;
int main (void)
{
            int foo [MAX];
            for (int i = 0; i <= MAX; i++)
            {
                        foo [i] = i * 2;
            } (Points : 6)

Question 8. 8. (TCO 2) How many elements does the following array contain?
double data [100] [500]; (Points : 6)

Question 9. 9. (TCO 2) Which of the following functions is taking an array of MyStruct structures as a pass-by-value parameter? (Points : 6)

Question 10. 10. (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;
 } (Points : 6)

Question 11. 11. (TCO 2) What is the output of the following code?
                        void func(int *x)
                        {
                                    *x = *x * 3;
                        };
                        int main()
                        {
                                    int x = 10;
                                    func (&x) ;
                                    cout << x << endl ;
                        } (Points : 6)

Question 1. 1. (TCO 2) Which of the following is a valid declaration to overload the following function?
int whatever (double x); (Points : 6)

Question 2. 2. (TCO 2) The word const inside the parentheses of the following declaration of isEqual bool isEqual (const Distance & rightSideObject) const; (Points : 6)

Question 3. 3. (TCO 2) How many parameters are required to overload the pre-increment operator for a class as a member function? (Points : 6)

Question 4. 4. (TCO 2) Which of the following is called automatically each time an object is created? (Points : 6)

Question 5. 5. (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
} (Points : 6)

Question 6. 6. (TCO 2) What is the data type of pDist for the code snippet below?
Distance * pDIST; (Points : 6)

Question 7. 7. (TCO 2) Given the definition of some class called Employee, which of the following correctly dynamically allocates an array of 20 Employee objects? (Points : 6)

Question 8. 8. (TCO 2) What is the output of the following code snippet?
                  int value = 10;
                  int * iptr = &value;
                  *iptr = 5;
                  Cout << *iptr << “ “ << value; (Points : 6)

Question 9. 9. (TCO 2) Which of the following Java statements creates an object of a ButtonHandler class (which implements the ItemListener interface) and associates it with a JRadioButton object called buttonOne? (Points : 6)

Question 10. 10. (TCO 2) Which of the following creates a class that properly handles ActionEvents? (Points : 6)

Question 11. 11. (TCO 2) The x, y drawing coordinate system used in Java graphics (Points : 6)

Question 12. 12. (TCO 2) In order to guarantee that only one JRadioButton is selected at any time: (Points : 6)

Question 13. 13. (TCO 2) What can you say about the following Java class?
Public class MyApp extends JFrame ( …) (Points : 6)

Question 14. 14. (TCO 2) What is the result of the following code?
     JFrame frame = new JFrame( );
            frame.add(new JButton(“One”), BorderLayout.NORTH);
            frame.add(new JButton(“Two”), BorderLayout.NORTH);
            frame.setVisible(true); (Points : 6)