Question 1

Which of the following completes the sentence below correctly?
 A(n)_____________________ is a(n)________________- .

Accepted Answer

A)  InputEvent, MouseEvent. 
B)  ActionEvent, AdjustmentEvent. 
C)  FocusEvent, WindowEvent. 
D)  ContainerEvent, ComponentEvent. 
A)  InputEvent, MouseEvent. 
B)  ActionEvent, AdjustmentEvent. 
C)  FocusEvent, WindowEvent. 
D)  ContainerEvent, ComponentEvent.

Question 2

The Shift key is a(n)__________- key.

Accepted Answer

A)  modifier 
B)  action 
C)  output 
D)  None of the above 
A)  modifier 
B)  action 
C)  output 
D)  None of the above

Question 3

The method setRolloverIcon is used to ________.

Accepted Answer

A)  Handle a key event 
B)  Change the button text 
C)  Change the button icon 
D)  All of the above 
A)  Handle a key event 
B)  Change the button text 
C)  Change the button icon 
D)  All of the above

Question 4

Which component contains menus?

Accepted Answer

A)  Menu button. 
B)  Title bar. 
C)  Menu bar. 
D)  Combo box. 
A)  Menu button. 
B)  Title bar. 
C)  Menu bar. 
D)  Combo box.

Question 5

Which of the following is not a KeyListener method?

Accepted Answer

A)  keyPressed. 
B)  keyReleased. 
C)  keyClicked. 
D)  keyTyped. 
A)  keyPressed. 
B)  keyReleased. 
C)  keyClicked. 
D)  keyTyped.

Question 6

Which of the following objects cannot trap mouse events?

Accepted Answer

A)  JTextField. 
B)  ButtonGroup. 
C)  JButton. 
D)  JComponent. 
A)  JTextField. 
B)  ButtonGroup. 
C)  JButton. 
D)  JComponent.

Question 7

Which of the following statements about anonymous inner classes is false?

Accepted Answer

A)  They are declared without a name. 
B)  They typically appear inside a method declaration. 
C)  They are declared with the anonymous keyword. 
D)  They can access their top-level class's members. 
A)  They are declared without a name. 
B)  They typically appear inside a method declaration. 
C)  They are declared with the anonymous keyword. 
D)  They can access their top-level class's members.

Question 8

The JOptionPane constant used to display an icon prompting the user for input is:

Accepted Answer

A)  JOptionPane.ERROR_MESSAGE. 
B)  JOptionPane.INFORMATION_MESSAGE. 
C)  JOptionPane.QUESTION_MESSAGE. 
D)  JOptionPane.WARNING_MESSAGE. 
A)  JOptionPane.ERROR_MESSAGE. 
B)  JOptionPane.INFORMATION_MESSAGE. 
C)  JOptionPane.QUESTION_MESSAGE. 
D)  JOptionPane.WARNING_MESSAGE.

Question 9

Method _________indicates that a Component should be refreshed on screen as soon as possible with a call to that control's paintComponent method.

Accepted Answer

A)  refresh 
B)  repaint 
C)  repaintComponent 
D)  redraw 
A)  refresh 
B)  repaint 
C)  repaintComponent 
D)  redraw

Question 10

Which of the following expressions creates a JLabel that displays the text "Here is what I look like!" The JLabel should display Icon object face, and the JLabel's contents should be left aligned.

Accepted Answer

A)  new JLabel("Here is what I look like!", face, SwingConstants.LEFT) 
B)  new JLabel("Here is what I look like!", face, SwingJustification.LEFT) 
C)  new JLabel("Here is what I look like!", SwingConstants.LEFT, face) 
D)  new JLabel("Here is what I look like!", SwingJustification.LEFT, face) 
A)  new JLabel("Here is what I look like!", face, SwingConstants.LEFT) 
B)  new JLabel("Here is what I look like!", face, SwingJustification.LEFT) 
C)  new JLabel("Here is what I look like!", SwingConstants.LEFT, face) 
D)  new JLabel("Here is what I look like!", SwingJustification.LEFT, face)

Question 11

When the user clicks a JCheckBox, a(n)_______ occurs.

Accepted Answer

A)  CheckedEvent 
B)  ButtonEvent 
C)  ItemEvent 
D)  ActionEvent 
A)  CheckedEvent 
B)  ButtonEvent 
C)  ItemEvent 
D)  ActionEvent

Question 12

Which methods retrieve and set the image that's displayed in a JLabel?

Accepted Answer

A)  getIcon, setIcon. 
B)  getResource, setResource. 
C)  getText, setText. 
D)  getImageIcon, setImageIcon. 
A)  getIcon, setIcon. 
B)  getResource, setResource. 
C)  getText, setText. 
D)  getImageIcon, setImageIcon.

Question 13

Which of the following statements makes the text in a JTextField uneditable?

Accepted Answer

A)  textField.setEditable(true); 
B)  textField.setEditable(false); 
C)  textField.setUneditable(true); 
D)  textField.setUneditable(false); 
A)  textField.setEditable(true); 
B)  textField.setEditable(false); 
C)  textField.setUneditable(true); 
D)  textField.setUneditable(false);

Question 14

Consider the list below: 
January
February
March
April
May
June
July
August
September
October
November
December
What type of JList selection mode would allow the user to select March, June and July in one step?

Accepted Answer

A)  SINGLE_SELECTION. 
B)  SINGLE_INTERVAL_SELECTION. 
C)  MULTIPLE_INTERVAL_SELECTION. 
D)  All of the above. 
A)  SINGLE_SELECTION. 
B)  SINGLE_INTERVAL_SELECTION. 
C)  MULTIPLE_INTERVAL_SELECTION. 
D)  All of the above.

Question 15

Which of the following statements about heavyweight components is false?

Accepted Answer

A)  AWT components are not heavyweight components. 
B)  Several Swing components are heavyweight components. 
C)  The look-and-feel may vary across platforms. 
D)  The functionality may vary across platforms. 
A)  AWT components are not heavyweight components. 
B)  Several Swing components are heavyweight components. 
C)  The look-and-feel may vary across platforms. 
D)  The functionality may vary across platforms.

Question 16

Which of the following statements about Swing GUI components is false?

Accepted Answer

A)  Swing components are less portable but more flexible than the original Java GUI components from package java.awt. 
B)  Most Swing components are written completely in Java. 
C)  Swing components allow the user to specify a uniform look-and-feel across all platforms. 
D)  Swing components allow the user to change the look-and-feel while the program is running. 
A)  Swing components are less portable but more flexible than the original Java GUI components from package java.awt. 
B)  Most Swing components are written completely in Java. 
C)  Swing components allow the user to specify a uniform look-and-feel across all platforms. 
D)  Swing components allow the user to change the look-and-feel while the program is running.

Question 17

Each container can have ________.

Accepted Answer

A)  only one layout manager 
B)  one or more layout managers 
C)  zero or more layout managers 
D)  only one or two layout managers 
A)  only one layout manager 
B)  one or more layout managers 
C)  zero or more layout managers 
D)  only one or two layout managers

Question 18

Which pair of words does not complete the sentence below correctly? A ________ is a(n) ________.

Accepted Answer

A)  Container, Component. 
B)  Container, JPanel. 
C)  JComponent, Container. 
D)  Component, Object. 
A)  Container, Component. 
B)  Container, JPanel. 
C)  JComponent, Container. 
D)  Component, Object.

Exam 24: Swing Gui Components

Which of the following completes the sentence below correctly? A(n)_____________________ is a(n)________________- .

The Shift key is a(n)__________- key.

The method setRolloverIcon is used to ________.

Which component contains menus?

Which of the following is not a KeyListener method?

Which of the following objects cannot trap mouse events?

Which of the following statements about anonymous inner classes is false?

The JOptionPane constant used to display an icon prompting the user for input is:

Method _________indicates that a Component should be refreshed on screen as soon as possible with a call to that control's paintComponent method.

Which of the following expressions creates a JLabel that displays the text "Here is what I look like!" The JLabel should display Icon object face, and the JLabel's contents should be left aligned.

When the user clicks a JCheckBox, a(n)_______ occurs.

Which methods retrieve and set the image that's displayed in a JLabel?

Which of the following statements makes the text in a JTextField uneditable?

Consider the list below: January February March April May June July August September October November December What type of JList selection mode would allow the user to select March, June and July in one step?

Which of the following statements about heavyweight components is false?

Which of the following statements about Swing GUI components is false?

Each container can have ________.

Which pair of words does not complete the sentence below correctly? A ________ is a(n) ________.

Introduction to Computers, the Internet and Java

Introduction to Java Applications; Inputoutput and Operators

Introduction to Classes, Objects, Methods and Strings

Control Statements: Assignment, and Operators

Control Statements: Logical Operators

Methods: a Deeper Look

Arrays and Arraylists

Classes and Objects: a Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism and Interfaces

Exception Handling: a Deeper Look

Javafx Graphical User Interfaces

Javafx Gui

Strings, Characters and Regular Expressions

Files, Inputoutput Streams, Nio and Xml Serialization

Generic Collections

Lambdas and Streams

Recursion

Searching, Sorting and Big O

Generic Classes and Methods: a Deeper Look

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

Graphics and Java 2d

Networking

Java Persistence Api Jpa

Javaserver Faces Web Apps

Javaserver Faces Web Apps

Swing Gui Components

Filters

Which of the following completes the sentence below correctly? A(n)_____ is a(n)- .

Which pair of words does not complete the sentence below correctly? A is a(n) .