Question 1

If null is passed as an argument to the JFileChooser class's showOpenDialog method,

Accepted Answer

A)  the dialog box will be created in memory, but it will not be displayed. 
B)  the dialog box will be displayed in the lower-right corner of the screen. 
C)  the dialog box will be displayed in the upper-left corner of the screen. 
D)  the dialog box will be displayed in the center of the screen. 
A)  the dialog box will be created in memory, but it will not be displayed. 
B)  the dialog box will be displayed in the lower-right corner of the screen. 
C)  the dialog box will be displayed in the upper-left corner of the screen. 
D)  the dialog box will be displayed in the center of the screen. D

Question 2

What will be the result of the following code if the user simply clicks OK?
JPanel panel = new JPanel();
Color selectedColor;
SelectedColor =
JColorChooser.showDialog(null, "Select a Color", Color.BLUE);
Panel.setForeground(selectedColor);

Accepted Answer

A)  The foreground color will remain unchanged. 
B)  The foreground color will be set to blue. 
C)  The foreground color will be set to black. 
D)  The foreground color will be set to white. 
A)  The foreground color will remain unchanged. 
B)  The foreground color will be set to blue. 
C)  The foreground color will be set to black. 
D)  The foreground color will be set to white. B

Question 3

Which of the following is not a class used in constructing a menu system?

Accepted Answer

A)  JRadioButtonMenuItem 
B)  JCheckBoxMenuItem 
C)  JButton 
D)  JMenuItem 
A)  JRadioButtonMenuItem 
B)  JCheckBoxMenuItem 
C)  JButton 
D)  JMenuItem C

Question 4

The default selection mode for a JList component is

Accepted Answer

A)  single selection mode. 
B)  multiple interval selection mode. 
C)  multiple selection mode. 
D)  single interval selection mode. 
A)  single selection mode. 
B)  multiple interval selection mode. 
C)  multiple selection mode. 
D)  single interval selection mode.

Question 5

What will be the result when the following code is executed if addressList exists and has values stored in it, and addrList is an array with values stored in it?
AddressList.setListData(addrList);

Accepted Answer

A)  The values contained in the addrList array will be appended to the end of the existing values in addressList. 
B)  The values contained in the addrList array will be inserted at the beginning of the existing values in addressList. 
C)  The values in addressList will be unchanged. 
D)  The values in addressList will be replaced by the values in addrList. 
A)  The values contained in the addrList array will be appended to the end of the existing values in addressList. 
B)  The values contained in the addrList array will be inserted at the beginning of the existing values in addressList. 
C)  The values in addressList will be unchanged. 
D)  The values in addressList will be replaced by the values in addrList.

Question 6

The JComboBox class is in this package.

Accepted Answer

A)  javax.swing 
B)  java.awt.event 
C)  java.swing.event 
D)  java.awt 
A)  javax.swing 
B)  java.awt.event 
C)  java.swing.event 
D)  java.awt

Question 7

If you call the JTextField component's setEditable method and pass false as the argument, then the text field becomes

Accepted Answer

A)  unbound. 
B)  editable. 
C)  invisible. 
D)  read-only. 
A)  unbound. 
B)  editable. 
C)  invisible. 
D)  read-only.

Question 8

What is returned by the JList class's getSelectedIndex method?

Accepted Answer

A)  the index of the selected item 
B)  -1 if no item is selected 
C)  Both A and B 
D)  None of the above 
A)  the index of the selected item 
B)  -1 if no item is selected 
C)  Both A and B 
D)  None of the above

Question 9

What will be the result when the following code is executed?
ImagePanel = new JPanel();
ImageLabel = new JLabel();
ImagePanel.Add(imageLabel);
ImageIcon sunnyFaceImage = new ImageIcon("SunnyFace.gif"); imageLabel.setIcon(sunnyFaceImage);
Pack();

Accepted Answer

A)  The image will resize itself to fit the label. 
B)  The image will resize itself to fit the panel. 
C)  The panel will resize itself to accommodate the image. 
D)  The JFrame that encloses the window will resize itself to accommodate the image. 
A)  The image will resize itself to fit the label. 
B)  The image will resize itself to fit the panel. 
C)  The panel will resize itself to accommodate the image. 
D)  The JFrame that encloses the window will resize itself to accommodate the image.

Question 10

A mnemonic is

Accepted Answer

A)  a single key on the keyboard that you press to quickly access a component such as a button. 
B)  a key on the keyboard that you press in combination with the Ctrl key to quickly access a component such as a button. 
C)  a key on the keyboard that you press in combination with the Alt key to quickly access a component such as a button. 
D)  a key on the keyboard that you press in combination with the Shift key to quickly access a component such as a button. 
A)  a single key on the keyboard that you press to quickly access a component such as a button. 
B)  a key on the keyboard that you press in combination with the Ctrl key to quickly access a component such as a button. 
C)  a key on the keyboard that you press in combination with the Alt key to quickly access a component such as a button. 
D)  a key on the keyboard that you press in combination with the Shift key to quickly access a component such as a button.

Question 11

What will be displayed when the following code is executed?
JLabel myLabel = new JLabel ("It's a beautiful morning!"); myLabel.setIcon(SunnyFace.gif);

Accepted Answer

A)  A label will be displayed with the text "It's a beautiful morning!" appearing below the SunnyFace.gif image. 
B)  A label will be displayed with the text "It's a beautiful morning!" appearing above the SunnyFace.gif image. 
C)  A label will be displayed with the text "It's a beautiful morning!" appearing to the left of the SunnyFace.gif image. 
D)  A label will be displayed with the text "It's a beautiful morning!" appearing to the right of the SunnyFace.gif image. 
A)  A label will be displayed with the text "It's a beautiful morning!" appearing below the SunnyFace.gif image. 
B)  A label will be displayed with the text "It's a beautiful morning!" appearing above the SunnyFace.gif image. 
C)  A label will be displayed with the text "It's a beautiful morning!" appearing to the left of the SunnyFace.gif image. 
D)  A label will be displayed with the text "It's a beautiful morning!" appearing to the right of the SunnyFace.gif image.

Question 12

The appearance of a particular system's GUI is known as its

Accepted Answer

A)  art style. 
B)  user interface. 
C)  look and feel. 
D)  system aesthetics. 
A)  art style. 
B)  user interface. 
C)  look and feel. 
D)  system aesthetics.

Question 13

Which of the following statements creates a horizontal slider component with a minimum value of 0, a maximum value of 50, and an initial value of 25?

Accepted Answer

A)  JSlider hSlider = new JSlider(0, 50, 25, JSlider.HORIZONTAL); 
B)  JSlider hSlider = new JSlider(JSlider.HORIZONTAL, 0, 50, 25); 
C)  JSlider hSlider = new JSlider(0, 50, JSlider.HORIZONTAL, 25); 
D)  JSlider hSlider = new JSlider(0, JSlider.HORIZONTAL, 50, 25); 
A)  JSlider hSlider = new JSlider(0, 50, 25, JSlider.HORIZONTAL); 
B)  JSlider hSlider = new JSlider(JSlider.HORIZONTAL, 0, 50, 25); 
C)  JSlider hSlider = new JSlider(0, 50, JSlider.HORIZONTAL, 25); 
D)  JSlider hSlider = new JSlider(0, JSlider.HORIZONTAL, 50, 25);

Question 14

If myList is a JList component, what will the value of item be after the following statement is executed?
Item = myList.getSelectedIndex();

Accepted Answer

A)  The value of the first selected item in the list. 
B)  An array of objects containing all the selected items in the list. 
C)  An array containing the indices of all the selected items in the list. 
D)  The index of the first selected item in the list. 
A)  The value of the first selected item in the list. 
B)  An array of objects containing all the selected items in the list. 
C)  An array containing the indices of all the selected items in the list. 
D)  The index of the first selected item in the list.

Question 15

Just like regular radio button components, you must group radio button menu items in a button group in order to create a mutually exclusive relationship between them.

Accepted Answer

A) True 
 B)False

Question 16

If nameList is an instance of a JList component, which of the following statements would display 4 rows in nameList.

Accepted Answer

A)  nameList.setDisplayRowCount(4); 
B)  nameList.setShowRowCount(4); 
C)  nameList.setVisibleRowCount(4); 
D)  nameList.setRowCount(4); 
A)  nameList.setDisplayRowCount(4); 
B)  nameList.setShowRowCount(4); 
C)  nameList.setVisibleRowCount(4); 
D)  nameList.setRowCount(4);

Question 17

You assign a tool tip to a component with the ________ method, which is inherited from the JComponent class.

Accepted Answer

A)  setToolTipText 
B)  setToolTip 
C)  addToolTip 
D)  getToolTipText 
A)  setToolTipText 
B)  setToolTip 
C)  addToolTip 
D)  getToolTipText

Question 18

If multiple items have been selected in a list component, you should use the getSelectedValues or getSelectedIndices methods to retrieve the selected items.

Accepted Answer

A) True 
 B)False

Question 19

The ListSelectionListener interface is in the ________ package.

Accepted Answer

A)  javax.swing.event 
B)  java.awt 
C)  java.awt.event 
D)  java.swing 
A)  javax.swing.event 
B)  java.awt 
C)  java.awt.event 
D)  java.swing

Question 20

To change an application's look and feel, you call this static method of the UIManager class.

Accepted Answer

A)  setLookAndFeel 
B)  getLookAndFeel 
C)  addLookAndFeel 
D)  showLookAndFeel 
A)  setLookAndFeel 
B)  getLookAndFeel 
C)  addLookAndFeel 
D)  showLookAndFeel

If null is passed as an argument to the JFileChooser class's showOpenDialog method,

What will be the result of the following code if the user simply clicks OK? JPanel panel = new JPanel(); Color selectedColor; SelectedColor = JColorChooser.showDialog(null, "Select a Color", Color.BLUE); Panel.setForeground(selectedColor);

Which of the following is not a class used in constructing a menu system?

The default selection mode for a JList component is

What will be the result when the following code is executed if addressList exists and has values stored in it, and addrList is an array with values stored in it? AddressList.setListData(addrList);

The JComboBox class is in this package.

If you call the JTextField component's setEditable method and pass false as the argument, then the text field becomes

What is returned by the JList class's getSelectedIndex method?

What will be the result when the following code is executed? ImagePanel = new JPanel(); ImageLabel = new JLabel(); ImagePanel.Add(imageLabel); ImageIcon sunnyFaceImage = new ImageIcon("SunnyFace.gif"); imageLabel.setIcon(sunnyFaceImage); Pack();

A mnemonic is

What will be displayed when the following code is executed? JLabel myLabel = new JLabel ("It's a beautiful morning!"); myLabel.setIcon(SunnyFace.gif);

The appearance of a particular system's GUI is known as its

Which of the following statements creates a horizontal slider component with a minimum value of 0, a maximum value of 50, and an initial value of 25?

If myList is a JList component, what will the value of item be after the following statement is executed? Item = myList.getSelectedIndex();

Just like regular radio button components, you must group radio button menu items in a button group in order to create a mutually exclusive relationship between them.

If nameList is an instance of a JList component, which of the following statements would display 4 rows in nameList.

You assign a tool tip to a component with the ________ method, which is inherited from the JComponent class.

If multiple items have been selected in a list component, you should use the getSelectedValues or getSelectedIndices methods to retrieve the selected items.

The ListSelectionListener interface is in the ________ package.

To change an application's look and feel, you call this static method of the UIManager class.

Introduction to Computers and Java

Java Fundamentals

A First Look at Classes and Objects

Decision Structures

Loops and Files

A Second Look at Classes and Objects

Arrays and the ArrayList Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File I/O

GUI Applications–Part 1

Applets and More

Creating GUI Applications with JavaFX

Recursion

Databases

Filters

Exam 12: GUI Applications–Part 2

If null is passed as an argument to the JFileChooser class's showOpenDialog method,

What will be the result of the following code if the user simply clicks OK? JPanel panel = new JPanel(); Color selectedColor; SelectedColor = JColorChooser.showDialog(null, "Select a Color", Color.BLUE); Panel.setForeground(selectedColor);

Which of the following is not a class used in constructing a menu system?

The default selection mode for a JList component is

What will be the result when the following code is executed if addressList exists and has values stored in it, and addrList is an array with values stored in it? AddressList.setListData(addrList);

The JComboBox class is in this package.

If you call the JTextField component's setEditable method and pass false as the argument, then the text field becomes

What is returned by the JList class's getSelectedIndex method?

What will be the result when the following code is executed? ImagePanel = new JPanel(); ImageLabel = new JLabel(); ImagePanel.Add(imageLabel); ImageIcon sunnyFaceImage = new ImageIcon("SunnyFace.gif"); imageLabel.setIcon(sunnyFaceImage); Pack();

A mnemonic is

What will be displayed when the following code is executed? JLabel myLabel = new JLabel ("It's a beautiful morning!"); myLabel.setIcon(SunnyFace.gif);

The appearance of a particular system's GUI is known as its

Which of the following statements creates a horizontal slider component with a minimum value of 0, a maximum value of 50, and an initial value of 25?

If myList is a JList component, what will the value of item be after the following statement is executed? Item = myList.getSelectedIndex();

Just like regular radio button components, you must group radio button menu items in a button group in order to create a mutually exclusive relationship between them.

If nameList is an instance of a JList component, which of the following statements would display 4 rows in nameList.

You assign a tool tip to a component with the ________ method, which is inherited from the JComponent class.

If multiple items have been selected in a list component, you should use the getSelectedValues or getSelectedIndices methods to retrieve the selected items.

The ListSelectionListener interface is in the ________ package.

To change an application's look and feel, you call this static method of the UIManager class.

Introduction to Computers and Java

Java Fundamentals

A First Look at Classes and Objects

Decision Structures

Loops and Files

A Second Look at Classes and Objects

Arrays and the ArrayList Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File I/O

GUI Applications–Part 1

Applets and More

Creating GUI Applications with JavaFX

Recursion

Databases

Filters