Name:_______________________ Sample Exam
Covers Chs 32-35
Multiple Choice Questions Only for This Test
Part I: Questions: (1 pts each)
1 An event adapter can be implemented using ___________.
A. standard adapter
B. inner class adapter
C. anonymous inner class adapter
2 The signature for the accessor method of a Date property
birthDate should be __________.
A.
B.
C.
D.
E.
public java.util.Date birthDate()
public java.util.Date getBirthDate()
private java.util.Date birthDate()
private java.util.Date getBirthDate()
public java.util.Date getbirthDate()
3 The signature for the mutator method of a Date property
birthDate should be __________.
A.
B.
C.
D.
public void birthDate(java.util.Date date)
public void setBirthDate(java.util.Date date)
public void setbirthDate()
public void birthDate()
4 An event and its corresponding listener is referred to as
____________.
A.
B.
C.
D.
an
an
an
an
event
event
event
event
set
class
pair
object
5
Which of the following is true?
A. A bean must implement the java.io.Serializable interface to
ensure a persistent state.
B. A bean must be a public class.
C. A bean must have a public no-arg constructor.
D. A bean cannot have any constructors with parameters.
6 The signature for the accessor method of a Boolean property
visible should be __________.
A. public boolean visible()
1
B.
C.
D.
E.
public boolean getVisible()
public static boolean isVisible()
public boolean isVisible()
private boolean isVisible()
7 Any event is an instance of _________.
A.
B.
C.
D.
java.awt.ActionEvent
javax.swing.JComponent
java.awt.Component
java.util.EventObject
8 5 Creating Custom Event Sets
10. Which of the followings are true?
A. By convention, an event class should be named with suffix
Event.
B. An event class does not have a no-arg constructor, because you
must always specify a source for the event when creating an
event.
C. A custom event class must extend java.util.EventObject or a
subclass of java.util.EventObject.
D. A custom event listener interface must extend
java.util.EventListener or a subinterface of
java.util.EventListener, and define the signature of the
handlers.
E. A listener interface for a custom event BeatEvent should be
named BeanListener by convention.
9 Which of the following is true?
A. Events can be unicasted (only one listener object is notified
of the event).
B. Events can be multicasted (each object in a list of listeners
is notified of the event).
C. The naming pattern for adding a multicast listener is "public
void add<Event>Listener(<Event>Listener l)"
D. The naming pattern for adding a unicast listener is "public
void add<Event>Listener(<Event>Listener l) throws
TooManyListenersException"
E. A source component must have the appropriate registration and
deregistration methods for adding and removing listeners.
10 The signature for the mutator method of a Date property
birthDate should be __________.
A.
B.
C.
D.
E.
public
public
public
public
public
void
void
void
void
void
birthDate(java.util.Date date)
setbirthDate()
birthDate()
setBirthDate(java.util.Date date)
setBirthDate(java.util.Date date)
2
11 Any listener is an instance of _________.
A.
B.
C.
D.
A.
B.
C.
D.
java.util.EventListener
javax.swing.JComponent
java.util.EventObject
java.awt.ActionListener
12 The signature for the registration method for an
ActionEvent should be __________.
public
public
public
public
void
void
void
void
addActionListener(ActionEvent l)
setAction(ActionListener l)
setActionListener(ActionListener l)
addActionListener(ActionListener l)
13 The size of a component in a container is determined by
__________
A. the type of layout manager used by the container.
B. certain properties common to all components (such as
preferredSize, minimumSize, maximumSize, alignmentX, and
alignmentY).
C. the size of the container.
D. the layout constraints associated with each component.
14 Which of the following properties are in JApplet?
A.
B.
C.
D.
E.
title
contentPane
resizable
jMenuBar
iconImage
15 ___________ is a Swing layout manager that arranges
components on top of each other.
A.
B.
C.
D.
E.
BorderLayout
BoxLayout
CardLayout
OverlayLayout
GridLayout
16 Which of the following properties are in BorderLayout?
A.
B.
C.
D.
E.
alignment
hgap
layout
vgap
visible
17 Which of the following methods create an EtchedBorder?
3
A.
B.
C.
D.
BorderFactory.createEtchedBorder(Color.YELLOW, Color.RED)
new EtchedBorder()
new EtchedBorder(Color.YELLOW, Color.RED)
BorderFactory.createEtchedBorder()
18
Which of the following properties are in JFrame?
A.
B.
C.
D.
E.
jMenuBar
title
iconImage
resizable
contentPane
19 Which of the following properties are in CardLayout?
A.
B.
C.
D.
E.
visible
alignment
vgap
layout
hgap
20 The preferredSize property is ignored in ______________.
A.
B.
C.
D.
FlowLayout
BorderLayout
GridLayout
Null layout
21 Which of the following are the valid methods in
JTabbedPane?
A.
B.
C.
D.
getToolTipTextAt(index)
getTabCount()
getTabPlacement()
getTitleAt(index)
22 To use no layout manager in a container c, use _________.
A.
B.
C.
D.
c.setLayout(NullLayout)
c.setLayout(null)
c.setLayout()
c.setLayout(new NullLayout())
23 Every layout manager is an instace of __________.
A.
B.
C.
D.
the
the
the
the
24
LayoutManager interface
LayoutManager class
Layout class
Layout interface
Which of the following methods create a LineBorder?
A. new LineBorder()
4
B.
C.
D.
E.
BorderFactory.createLineBorder(Color.YELLOW)
new LineBorder(Color.YELLOW, 3)
new LineBorder(Color.YELLOW, 3, true)
BorderFactory.createLineBorder(Color.YELLOW, 4)
25 Which of the following properties in java.awt.Component may
effect layout?
A.
B.
C.
D.
E.
font
background
minimumSize
maximumSize
preferredSize
26 You can construct a JScrollPane using ____________.
A.
B.
C.
D.
new
new
new
new
27
A.
B.
C.
D.
E.
A.
B.
C.
D.
E.
JScrollPane(Component[])
JScrollPane(Component)
JScrollPane()
JScrollPane(Component, Component)
__________ is a Swing layout manager that arranges
components in a row or a column.
GridLayout
FlowLayout
BorderLayout
BoxLayout
CardLayout
28 Which of the following properties are in CardLayout?
hgap
alignment
visible
layout
vhap
29 How do you display a JPopupMenu?
A.
B.
C.
D.
A.
B.
C.
D.
Add the JPopupMenu to a container.
Invoke the setVisible(true) from a JPopupMenu.
Invoke the show() from a JPopupMenu.
Invoke the show(Component, x, y) from a JPopupMenu.
30 _____________ is the action that causes a popup menu to be
displayed.
Popup
Popup
Popup
Popup
trigger
action
reaction
event
5
31 A JRadioButtonMenuItem is a subclass of ________.
A.
B.
C.
D.
JMenuItem
AbstractButton
JMenu
JComponent
32 A JCheckBoxMenuItem is a subclass of ________.
A.
B.
C.
D.
AbstractButton
JComponent
JMenuItem
JMenu
33 The method __________ places a menu item mi into a menu mu.
A.
B.
C.
D.
mu.addMenuItem(mi)
mu.add(mi)
None of the above.
mu.addItem(mi)
34 ___________ allows you to create custom buttons.
A. A confirmation dialog
B. An input dialog
C. A message dialog
D. An option dialog
35 ______________ displays a message that alerts the user and
waits for the user to click the OK button to close the
dialog.
A.
B.
C.
D.
A message dialog
An input dialog
An option dialog
A confirmation dialog
36 You can add a menu item into set an imageIcon property on
___________.
A.
B.
C.
D.
a
a
a
a
JMenuItem
JRadioButtonMenuItem
JMenu
JCheckBoxMenuItem
37 A MenuItem object can generate __________ events.
A.
B.
C.
D.
ComponentEvent
ActionEvent
ItemEvent
ContainerEvent
38 __________ is used to receive input from the user.
6
A.
B.
C.
D.
A.
B.
C.
D.
E.
An option dialog
A confirmation dialog
A message dialog
An input dialog
39 Which of the following statements are true?
You
You
You
You
You
40
A.
B.
C.
D.
can
can
can
can
can
How
add a JMenu to a JPopupMenu.
add a JMenuItem to a JPopupMenu.
add a JPopupMenu to a JMenu.
add a JCheckBoxMenuItem to a JPopupMenu.
add a JRadioButtonMenuItem to a JPopupMenu.
do you display a JPopupMenu?
Invoke the show(Component, x, y) from a JPopupMenu.
Add the JPopupMenu to a container.
Invoke the setVisible(true) from a JPopupMenu.
Invoke the show() from a JPopupMenu.
41 You can set an imageIcon property on ___________.
A.
B.
C.
D.
a
a
a
a
JRadioButtonMenuItem
JCheckBoxMenuItem
JMenuItem
JMenu
42 The method __________ places a menu mu into a menu bar mb.
A.
B.
C.
D.
mb.addMenuItem(mu)
mb.addItem(mu)
mb.add(mu)
None of the above.
43 The method __________ separates menu items in a menu mu.
A.
B.
C.
D.
mu.add('-')
None of the above.
mu.addSeparator()
Either a or b
44 A JRadioButtonMenuItem is a subclass of ________.
A.
B.
C.
D.
AbstractButton
JMenu
JComponent
JMenuItem
45 ____________ asks a question and requires the user to
respond with an appropriate button.
A. An input dialog
B. A confirmation dialog
C. An option dialog
7
D. A message dialog
46 Which of the following statements are true?
A. JButton has an add method that enables you to add an instance
of Action to the menu.
B. JToolBar has an add method that enables you to add an instance
of ActionListener to the menu.
C. JButton has a constructor new JButton(Action) that enables you
to add an instance of Action to the menu.
D. JButton has an add method that enables you to add an instance
of ActionListener to the menu.
E. JToolBar has an add method that enables you to add an instance
of Action to the menu.
47 A JMenu is a subclass of ________.
A.
B.
C.
D.
A.
B.
C.
D.
JComponent
AbstractButton
JButton
JMenuItem
48 ______________ displays a message that alerts the user and
waits for the user to click the OK button to close the
dialog.
An input dialog
A message dialog
A confirmation dialog
An option dialog
Keys:
1. ABC
2. B
3. B
4. AC
5. ABC
6. D
7. D
8. ABCDE
9. ABCDE
10. E
11. A
12. D
13. ABCD
14. BD
15. D
16. BD
17. ABCD
8
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
ABCDE
CE
CD
ABCD
B
A
BCDE
CDE
BC
D
AE
D
A
ABD
ABC
B
D
A
ABCD
B
D
BDE
A
ABCD
C
D
ACD
B
CE
ABD
B
9