1.
Which of the following objects of MVC architecture represents all the data and the
various states of the component?
Model
View
Controller
All of the above.
2.
Which of the following is not a type of Container?
Top-level
Bottom-level
General-purpose
None of the above.
3.The JToolBar has a method _________ which can be used to make the edges of the
toolbar buttons invisible.
JFileChooser
setRollover()
addSepartor()
4
The _________ method is used to set the current color of the color chooser.
setColor()
SETCOLOR()
Setcolor()
5
The methods isSelectedIndex() and isSelectionEmpty() are members of the
________ class.
JColor
JList
JBox
6
The ______ method of JComboBox is used to retrieve the item at the specified index.
insertItemAt()
getItemAt()
removeItemAt()
7
The getMaximumRowCount() method of __________ is used to retrieve the
maximum number of items the combo box can display without a scrollbar.
JList
JColorChooser
JComboBox
8
In JTable, headers and footers can be specified with an object of____________
class.
setTable
MessageFormat
TextFormat
9
The _________ class has methods to parse and convert text to a date.
SimpleDateFormat
DateFormat
DateTimeFormat
10
The ________ class cannot be instantiated as it is an abstract class.
URL connection
URL
ServerSocket class
11
The _________ method is used to retrieve the setting of the connection timeout of
the URL in milliseconds.
getContentType()
getConnectTimeout()
setConnectTimeout()
12
A timeout value of zero of the setConnectTimeout() method indicates
Infinite timeout
Opening a communication link to the resource referenced
An exception raised
13
Instances of the ______ class can be used to read from and write to the resource
referred by the URL.
URL
InetAddress
Connection
URLConnection
14
An instance of the Socket class represents the _________ side of the connection.
server
client
application
I/O
15
A ServerSocket instance binds itself to a __________ and then waits and listens for
client requests to establish connections.
port
socket
IP address
URLConnection
16
The remote object in an RMI application must extend from the _______________
class.
UnicastRemoteObject
Remote
RemoteException
UnicastServerObject
17
_________ application can be used to start the naming service on the server.
registry.exe
namingregistry.exe
rmiregistry.exe
registryservice.exe
18
The server application has to bind the remote object with a _____________ in the
registry.
Reference
name
remote reference
entry
19
A javax.mail.Session object can be created by invoking the static ________ method.
getInstance()
getProperties()
getSession()
initiateSession()
20
To retrieve a message from the mail server, one has to access the _________ first.
Session
Address
MIMEMessage
Store
21
__________ is the class used to contain email message.
Store
Inbox
Folder
Message
22
An instance of the ServerSocket class is used to represent the ________ side of the
two-way communication.
server
client
application
I/O
23
A JFrame and a JApplet have a _______ layout by default.
Border
Card
Flow
Grid
24
Swing is a framework based on the Model-View-Controller (MVC) architecture in
comparison to AWT, which was just a toolkit.
True
False
25
Which of the following describes Heavyweight components?
Platform dependent
Abstract Window Toolkit
GUI based application
Platform independent
26
_______is based on Model-View-Controller architecture.
Swing
AWT
Applet
27
__________ components are platform independent.
AWT
Swing
Peer
28
The general purpose container is
JApplet
JLayered pane
Jdialog
JFrame
29
When the client size changes dynamically, the ______ does not resize.
scroll pane ??????
text pane
editor pane
30
A __________ progress bar is used when a task?s duration and amount of progress
are known.
Determinate ??? hữu hạn ( phương thức)
Indeterminate
Change
31
A JEditorPane can be set to be non-editable by invoking the __________method and
passing false value.
setEditable()
hyperlinkListener
hyperlinkUpdate()
32
In the ___________ class, all the rows need not necessarily have the same height
and all columns need not necessarily have the same width.
GridLayout
GridBagLayout
GridBagConstriant
33
The ____________ works by defining relationships or constraints between the edges
of components.
Null Layout
GridBagLayout
SpringLayout
34
The _________ class is used to create invisible components like glue, strut, and rigid
areas.
file
box
view
35
The JFile Chooser has a _________ method which allows the user to add a
component which is inherited from JComponent.
setAccessory() setAccessory(JComponent newAccessory)
getName()
getDescription()
36
The currency of a particular country can be displayed in the correct format using the
___________ class.
MessageFormat
NumberFormat getCurrency()
CountryFormat
Locale
37
The _________ class is used to convert sentences from one locale to another
without introducing grammatical errors.
MessageFormat ????????
NumberFormat
CountryFormat
Locale
38
The constructors of the URL class throw a __________ if no protocol is specified.
NullPointerException
InvalidArgumentException
MalformedURLException
if an unknown protocol is specified.
InvalidProtocolException
39
The _______ method of the URL class returns the IP address enclosed in square
brackets.
getFile()
getIP()
getHost() return the IPv6 address enclosed in square brackets ('[' and ']').
getPath()
40
Successful translation of the source files in the desired language is very difficult.
True
False
41
A Local is an identifier for a particular combination of language and region.
True
False
42
The NumberFormat class is used to create locale-specific formats for which of the
following?
1. Numbers
2. Currencies
3. Percentages
4. Date
1, 2, 3
2, 3, 4
1, 2, 4
1, 2, 3, 4
43
Which of the following layers in TCP deals with opening and maintaining connections
as well as ensures the packets are transmitted and received?
I
II
III
IV
44
Which of the following is not a layer of RMI architecture?
Stub and Skeleton
Remote Reference
Transport Protocol
None of the above.
45
___________ is a top-level container.
JDialog
JPanel
JLayeredPane
JDesktopPane
46
_________________ constructor creates a horizontal slider bar with the range 0 to
100 and an initial value of 50.
JSlider(int orientation)
JSlider(int value)
JSlider()
JSlider(int min, int max, int value)
47
Which of the following are the advantages of using FlowLayout Manager?
1. Simple to use.
2. Component placed in the center of the container by default.
3. Suitable for JApplet which runs as part of a Web Page.
4. Complex alignment can be easily achieved.
1, 2, 3
2, 3, 4
1, 3, 4
1, 2, 3, 4
48
Which of the following methods is used to set the key combination which invokes the
menu item?s action listeners without navigating the menu hierarchy?
setEnabled(boolean enable)
setMnemonic(int mnemonic)
setAcceletor(KeyStroke keystroke) thiết lập tổ hợp phím
All of the above.
49
A JPopupMenu is more convenient than the standard menus because it involves
more mouse movements.
True
False
50
The addSeparator() method adds a separator at the ____________of the pop-up
menu.
Beginning
End
Center
Anywhere
51
The JFileChooser has which of the following methods?
1. showDialog()
2. showSaveDialog()
3. showOpenDialog()
4. ShowNewDialog() chưa sáng tác
1, 2, 3
2, 3, 4
1, 3, 4
1, 2, 3, 4
52
Which of the following methods of JFileChooser returns an instance of the File
representing the file selected from the dialog box?
getSelectedFile()
getCurrentDirectory() return an instance of the File representing the current directory
getFile() chưa sáng tác
All of the above.
53
Which of the following constructors of JToolBar constructs a toolbar with the default
horizontal orientation?
JToolBar() mặc định hướng ngang (horizontal)
JToolBar(int orientation) theo hướng chỉ trước
JToolBar(String title) tên chỉ định
None of the above.
54
JList is a class used to display a group of items. The items in a JList can be
displayed in one or more columns.
True
False
55
item?
Which of the following selectModes of JList class allows selecting a contiguous
SINGLE_SELECTION
MULTIPLE_ INTERVAL _SELECTION
SINGLE_INTERVAL_SELECTION
All of the above.
56
Which of the following are the important methods of a JComboBox?
1. setEditable()
2. setSelectedIndex()
3. setSelectedItem()
1, 2
2, 3
1, 3
1, 2, 3
57
A JTable has which of the following distinct parts?
1. Column Header
2. Row Header
3. data
1, 2
2, 3
1, 3
1, 2, 3
58
The divider in JSplitPane can be dragged to specify how much of the total area is to
be given to a component.
True
False
59
An internationalized and localized program has which of the following benefits?
1. Same executable application can run worldwide.
2. Textual elements for GUI components are not hard-coded in the program.
3. Support for new languages requires only recompilation.
4. Internationalized programs are localized quickly.
1, 2, 3
2, 3, 4
1, 2, 4
1, 2, 3, 4
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