Question 1

An example of an aggregation relationship is

Accepted Answer

A)  parent and child 
B)  animal and dog 
C)  teacher and computer 
D)  phone and fax machine 
E)  all of the above 
A)  parent and child 
B)  animal and dog 
C)  teacher and computer 
D)  phone and fax machine 
E)  all of the above

Question 2

The idea of having programmers and developers meet in order to critique a software design or implementation is known as

Accepted Answer

A)  an interview 
B)  a walkthrough 
C)  prototyping 
D)  aggregation 
E)  evolutionary development 
A)  an interview 
B)  a walkthrough 
C)  prototyping 
D)  aggregation 
E)  evolutionary development

Question 3

If classes C1 and C2 both implement an interface Cint, which has a method whichIsIt, and if C1 c = new C1( ); is performed at one point of the program, then a later instruction c.whichIsIt( ); will invoke the whichIsIt method defined in C1.

Accepted Answer

A) True 
 B)False

Question 4

Java does not support multiple inheritance, but some of the abilities of multiple inheritance are available by

Accepted Answer

A)  importing classes 
B)  implementing interfaces 
C)  overriding parent class methods 
D)  creating aliases 
E)  using public rather than protected or private modifiers 
A)  importing classes 
B)  implementing interfaces 
C)  overriding parent class methods 
D)  creating aliases 
E)  using public rather than protected or private modifiers

Question 5

Arranging components in a GUI container is accomplished by using which of the following?

Accepted Answer

A)  Layout manager 
B)  Listener interface 
C)  String array 
D)  Event generator 
E)  JComboBox 
A)  Layout manager 
B)  Listener interface 
C)  String array 
D)  Event generator 
E)  JComboBox

Question 6

In what way is black-box testing better than glass-box testing?
 In what way is glass-box testing better than black-box testing?

Accepted Answer

Black-box testing is superior because th

Question 7

Which of the following interfaces would be used to implement a class that represents a group (or collection) of objects?

Accepted Answer

A)  Iterator 
B)  Speaker 
C)  Comparable 
D)  MouseListener 
E)  KeyListener 
A)  Iterator 
B)  Speaker 
C)  Comparable 
D)  MouseListener 
E)  KeyListener

Question 8

All parts of a container in BorderLayout must be used.

Accepted Answer

A) True 
 B)False

Question 9

In using the BoxLayout, adding space between components in a container can be accomplished by

Accepted Answer

A)  including TabbedPanes 
B)  including JButtons that have no names and thus will appear invisible 
C)  adding invisible components 
D)  inserting IconImages of blank images 
E)  any of the above 
A)  including TabbedPanes 
B)  including JButtons that have no names and thus will appear invisible 
C)  adding invisible components 
D)  inserting IconImages of blank images 
E)  any of the above

Question 10

What is wrong with the following message to create a BoxLayout for the JPanel jp?
Jp)setLayout(new BoxLayout(BoxLayout.X_AXIS));

Accepted Answer

A)  X_AXIS is not a valid constant for BoxLayout, it should instead be HORIZONTAL 
B)  Aside from X_AXIS, the constructor also requires a Dimension to determine the size of the Box 
C)  Aside from X_AXIS, the constructor also needs a command regarding horizontal glue as in createHorizontalGlue( ) 
D)  The BoxLayout constructor is lacking a reference to the container that the BoxLayout manager will govern 
E)  There is nothing wrong with it at all 
A)  X_AXIS is not a valid constant for BoxLayout, it should instead be HORIZONTAL 
B)  Aside from X_AXIS, the constructor also requires a Dimension to determine the size of the Box 
C)  Aside from X_AXIS, the constructor also needs a command regarding horizontal glue as in createHorizontalGlue( ) 
D)  The BoxLayout constructor is lacking a reference to the container that the BoxLayout manager will govern 
E)  There is nothing wrong with it at all

Question 11

Provide code to generate the following JFrame. Each lettered item is a JButton. Hint: Create several JPanels, each one having two or more JButtons and taken up a portion of the JFrame.

Accepted Answer

JFrame jf = new JFrame( );
JPanel jp1 =

Question 12

Which Layout Manager is used by default if you do not specify a Layout Manager for your GUI container?

Accepted Answer

A)  FlowLayout 
B)  BorderLayout 
C)  BoxLayout 
D)  GridLayout 
E)  TabbedPane 
A)  FlowLayout 
B)  BorderLayout 
C)  BoxLayout 
D)  GridLayout 
E)  TabbedPane

Question 13

Provide a reason why a method would be declared static.

Accepted Answer

A method is declared static if it might

Question 14

Write code to create a JPanel with 4 JCheckBox GUI components and two JLabels for output, one that says "Current cost is" and the other that outputs the computed cost based on which of the food items has been selected.

Accepted Answer

FoodListener fl = new FoodListener( );
J

Question 15

In black-box testing, the tester should already know something about how the program is implemented so that he/she can more carefully identify what portion(s) of the software are leading to errors.

Accepted Answer

A) True 
 B)False

Question 16

Provide a reason why an instance data would be declared static.

Accepted Answer

If an instance data is to be shared amon

Question 17

All objects implement Comparable.

Accepted Answer

A) True 
 B)False

Question 18

In order to create a constant, you would use which of the following Java reserved words?

Accepted Answer

A)  private 
B)  static 
C)  int 
D)  final 
E)  class 
A)  private 
B)  static 
C)  int 
D)  final 
E)  class

Question 19

If a programmer follows the four phases of program development as intended, which of the four phases should require the least amount of creativity?

Accepted Answer

A)  software requirements 
B)  software design 
C)  software implementation 
D)  software testing 
E)  none of the above, all four levels would require equal creativity 
A)  software requirements 
B)  software design 
C)  software implementation 
D)  software testing 
E)  none of the above, all four levels would require equal creativity

Question 20

Which Layout Manager type would you use if you want GUI components to be placed at the North, South, East, West and Center of the container?

Accepted Answer

A)  FlowLayout 
B)  BorderLayout 
C)  BoxLayout 
D)  GridLayout 
E)  TabbedPane 
A)  FlowLayout 
B)  BorderLayout 
C)  BoxLayout 
D)  GridLayout 
E)  TabbedPane

An example of an aggregation relationship is

The idea of having programmers and developers meet in order to critique a software design or implementation is known as

If classes C1 and C2 both implement an interface Cint, which has a method whichIsIt, and if C1 c = new C1( ); is performed at one point of the program, then a later instruction c.whichIsIt( ); will invoke the whichIsIt method defined in C1.

Java does not support multiple inheritance, but some of the abilities of multiple inheritance are available by

Arranging components in a GUI container is accomplished by using which of the following?

In what way is black-box testing better than glass-box testing? In what way is glass-box testing better than black-box testing?

Which of the following interfaces would be used to implement a class that represents a group (or collection) of objects?

All parts of a container in BorderLayout must be used.

In using the BoxLayout, adding space between components in a container can be accomplished by

What is wrong with the following message to create a BoxLayout for the JPanel jp? Jp)setLayout(new BoxLayout(BoxLayout.X_AXIS));

Provide code to generate the following JFrame. Each lettered item is a JButton. Hint: Create several JPanels, each one having two or more JButtons and taken up a portion of the JFrame.

Which Layout Manager is used by default if you do not specify a Layout Manager for your GUI container?

Provide a reason why a method would be declared static.

Write code to create a JPanel with 4 JCheckBox GUI components and two JLabels for output, one that says "Current cost is" and the other that outputs the computed cost based on which of the food items has been selected.

In black-box testing, the tester should already know something about how the program is implemented so that he/she can more carefully identify what portion(s) of the software are leading to errors.

Provide a reason why an instance data would be declared static.

All objects implement Comparable.

In order to create a constant, you would use which of the following Java reserved words?

If a programmer follows the four phases of program development as intended, which of the four phases should require the least amount of creativity?

Which Layout Manager type would you use if you want GUI components to be placed at the North, South, East, West and Center of the container?

Introduction

Data and Expressions

Using Classes and Objects

Writing Classes

Conditionals and Loops

More Conditionals and Loops

Arrays

Inheritance

Polymorphism

Exceptions

Recursion

Collections

Filters

Exam 7: Object-Oriented Design

An example of an aggregation relationship is

The idea of having programmers and developers meet in order to critique a software design or implementation is known as

If classes C1 and C2 both implement an interface Cint, which has a method whichIsIt, and if C1 c = new C1( ); is performed at one point of the program, then a later instruction c.whichIsIt( ); will invoke the whichIsIt method defined in C1.

Java does not support multiple inheritance, but some of the abilities of multiple inheritance are available by

Arranging components in a GUI container is accomplished by using which of the following?

In what way is black-box testing better than glass-box testing? In what way is glass-box testing better than black-box testing?

Which of the following interfaces would be used to implement a class that represents a group (or collection) of objects?

All parts of a container in BorderLayout must be used.

In using the BoxLayout, adding space between components in a container can be accomplished by

What is wrong with the following message to create a BoxLayout for the JPanel jp? Jp)setLayout(new BoxLayout(BoxLayout.X_AXIS));

Provide code to generate the following JFrame. Each lettered item is a JButton. Hint: Create several JPanels, each one having two or more JButtons and taken up a portion of the JFrame.

Which Layout Manager is used by default if you do not specify a Layout Manager for your GUI container?

Provide a reason why a method would be declared static.

Write code to create a JPanel with 4 JCheckBox GUI components and two JLabels for output, one that says "Current cost is" and the other that outputs the computed cost based on which of the food items has been selected.

In black-box testing, the tester should already know something about how the program is implemented so that he/she can more carefully identify what portion(s) of the software are leading to errors.

Provide a reason why an instance data would be declared static.

All objects implement Comparable.

In order to create a constant, you would use which of the following Java reserved words?

If a programmer follows the four phases of program development as intended, which of the four phases should require the least amount of creativity?

Which Layout Manager type would you use if you want GUI components to be placed at the North, South, East, West and Center of the container?

Introduction

Data and Expressions

Using Classes and Objects

Writing Classes

Conditionals and Loops

More Conditionals and Loops

Arrays

Inheritance

Polymorphism

Exceptions

Recursion

Collections

Filters