QUESTION 1

Which of the following represent good superclass-subclass pairs (generalizations)? The superclass is on the left while the sub class is on the right. Hint: Look for violations of the isA rule, poor naming, and other problems. (Multiple Answers)

a.

Money CanadianDollars

b.

Bank Account

c.

SavingsAccount CheckingAccount

d.

Account Account12876

e.

Person Customer

f.

Student GraduateStudent

g.

Continent Country

QUESTION 2

Select all of the following that most likely indicate a class (all others indicate an instance of a class). Ignore case when selecting your answer. (Multiple answers)

a.

GeneralMotors

b.

AutomobileCompany

c.

Boeing777

d.

ComputerScienceStudent

e.

MarySmith

f.

Game

g.

BoardGame

h.

UniversityCourseSeg2100

i.

Airplane

j.

ThegameofchessbetweenTomAndJaneAt2:30pmYesterday

k.

TheCarWithSerialNoJM198765T4

QUESTION 3

Which of the following classes would be declared in a Weather Forecasting System?

a.

Forecast

b.

WeatherMap

c.

WeatherSymbol

d.

WeatherSystem

e.

All of the above are correct

QUESTION 4

Which of the classes would be declared in a Video Rental System?

a.

Customer

b.

VideoEditing

c.

VideoEnhancement

d.

Audio

e.

All of the above are correct

QUESTION 5

Which of the following attributes would be found in a Classroom class declared within a University Scheduling System?

a.

semester

b.

startTime

c.

endTime

d.

roomNumber

e.

All of the above

QUESTION 6

Which of the following would be an appropriate Superclass for the following subclasses?

Truck Ambulance Bus

a.

Car

b.

Driver

c.

Vehicle

d.

Train

QUESTION 7

Chapter 7 uses the following hierarchy:

Leaf classes are concrete while all non-leaf classes are abstract. Which of the following object-method pairs would require dynamic binding? (Multiple Answers)

a.

Object Type Method Name

Rectangle getPerimeterLength

b.

Object Type Method Name

SimplePolygon getCenter

c.

Object Type Method Name

Polygon getBoundingRect

d.

Object Type Method Name

EllipticalShape changeScale

e.

Object Type Method Name

RegularPolygon translate

QUESTION 8

Questions 8, 9 and 10 uses the following heiarchy:

Images intgres 1

Which of the following methods in PostalCode would most appropriately be implemented as abstract?

a.

getCode

b.

getDestination

c.

validate

d.

setDestination

QUESTION 9

Which of the following classes would most likely be implemented as abstract?

a.

PostalCodeException

b.

PostalTest

c.

CanadianPostalCode

d.

PostalCode

QUESTION 10

Which of the following classes most like be implemented as final?

a.

PostalCode

b.

USZipCode

c.

Either a or b could be implemented as final

d.

Neither a or b could ever be implemented as final

QUESTION 8 Questions 8, 9 and 10 uses the following heiarchy PostalCode PostalTest toString() gekCode) getDestination) setDestination validate) PostalCodeException moin gerCountry0 BritishPostalCode validate gelCountry) CanadianPostalCode validate) gelCountry0) USZipCode validate() gelCountry)