Question 1

The event that is generated by a slider when its value changes is of type _____.

Accepted Answer

A) ActionEvent 
B) ChangeEvent 
C) ItemEvent 
D) MouseEvent 
A) ActionEvent 
B) ChangeEvent 
C) ItemEvent 
D) MouseEvent

Question 2

What is the best first step in picking the layout managers for a set of nested panels?

Accepted Answer

A) use a single panel with a GridBagLayout manager 
B) construct a set of JPanel objects 
C) make a sketch of the layout 
D) use multiple panels with FlowLayout managers 
A) use a single panel with a GridBagLayout manager 
B) construct a set of JPanel objects 
C) make a sketch of the layout 
D) use multiple panels with FlowLayout managers

Question 3

Which layout manager uses a grid so that each component will always be placed into an area of the same size?
i.GridBagLayout
II.BorderLayout
III.GridLayout

Accepted Answer

A) Only I 
B) Only II 
C) Only III 
D) I and III 
A) Only I 
B) Only II 
C) Only III 
D) I and III

Question 4

A ________ is a user-interface component with two states: checked and unchecked.

Accepted Answer

A) radio button 
B) check box 
C) menu item 
D) submenu item 
A) radio button 
B) check box 
C) menu item 
D) submenu item

Question 5

What can be determined about obj from the code below?
JMenuItem menuItem = new JMenuItem("Exit");
menuItem.addActionListener(obj);

Accepted Answer

A) The class of obj implements ActionListener 
B) menuItem implements ActionListener 
C) obj is of type MenuListener 
D) obj is an object of an inner class 
A) The class of obj implements ActionListener 
B) menuItem implements ActionListener 
C) obj is of type MenuListener 
D) obj is an object of an inner class

Question 6

The _______ interface toolkit has a large set of user-interface components.

Accepted Answer

A) GUI Builder 
B) graphical user 
C) Swing 
D) JMenu 
A) GUI Builder 
B) graphical user 
C) Swing 
D) JMenu

Question 7

What method is required by the ChangeListener interface?

Accepted Answer

A) changeOccured 
B) actionPerformed 
C) stateChanged 
D) sliderMoved 
A) changeOccured 
B) actionPerformed 
C) stateChanged 
D) sliderMoved

Question 8

Which of the following is not a visual component?

Accepted Answer

A) JRadioButton 
B) JButton 
C) ButtonGroup 
D) JCheckBox 
A) JRadioButton 
B) JButton 
C) ButtonGroup 
D) JCheckBox

Question 9

Which of the following generate action events?

Accepted Answer

A) Buttons 
B) Menu items 
C) Combo box 
D) All of the above 
A) Buttons 
B) Menu items 
C) Combo box 
D) All of the above

Question 10

What is the container for top-level menu items?

Accepted Answer

A) menu bar 
B) menu item 
C) menu GUI 
D) top level menus don't use containers 
A) menu bar 
B) menu item 
C) menu GUI 
D) top level menus don't use containers

Question 11

Which layout manager uses a grid, but allows selected grid locations to span multiple rows or columns?
i.GridBagLayout
II.BorderLayout
III.GridLayout

Accepted Answer

A) Only I 
B) Only II 
C) Only III 
D) I and III 
A) Only I 
B) Only II 
C) Only III 
D) I and III

Question 12

What code would be the most appropriate assist in getting notified when a user interacts with a JSlider?

Accepted Answer

A) public JSlider(BoundedRangeModel brm) 
B) public void addChangeListener(ChangeListener l) 
C) JSlider() 
D) public JSlider(int min, int max, int value) 
A) public JSlider(BoundedRangeModel brm) 
B) public void addChangeListener(ChangeListener l) 
C) JSlider() 
D) public JSlider(int min, int max, int value)

Question 13

Suppose a JPanel with a BorderLayout manager contains two components: component1, which was added to the CENTER, and component2, which was added to the SOUTH.Which parts of the JPanel will appear?
i.North
II.South
III.Center
IV.West
v.East

Accepted Answer

A) I and II 
B) I, II, and III 
C) III, IV, and V 
D) II and III 
A) I and II 
B) I, II, and III 
C) III, IV, and V 
D) II and III

Question 14

Suppose a JPanel with a BorderLayout manager contains two components: component1, which was added to the EAST, and component2, which was added to the WEST.Which parts of the JPanel appear?
i.North
II.South
III.Center
IV.West
v.East

Accepted Answer

A) I and II 
B) I, II, and III 
C) III, IV, and V 
D) IV and V 
A) I and II 
B) I, II, and III 
C) III, IV, and V 
D) IV and V

Question 15

How do you add two buttons to the south area of a frame using the BorderLayout?

Accepted Answer

A) Add them to a panel, then add the panel to the SOUTH 
B) Add one to the SOUTH, then add the second one to the SOUTH 
C) Add one to the SOUTH, then add the second one to the CENTER 
D) Add one to the CENTER, then add the second one to the SOUTH 
A) Add them to a panel, then add the panel to the SOUTH 
B) Add one to the SOUTH, then add the second one to the SOUTH 
C) Add one to the SOUTH, then add the second one to the CENTER 
D) Add one to the CENTER, then add the second one to the SOUTH

Question 16

Which class has constants called NORTH and SOUTH?

Accepted Answer

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

Question 17

In an online job application, applicants have to submit a cover letter by typing it into a given text box.Which java class would be most appropriate for this text box?

Accepted Answer

A) JTextArea 
B) JTextField 
C) JLabel 
D) JTextComponent 
A) JTextArea 
B) JTextField 
C) JLabel 
D) JTextComponent

Question 18

What features do GUI builders have to speed the development of the graphical user interface of the program?
i.setting properties of dialog boxes
II.automated event-handling code generation
III.drag and drop of visual components

Accepted Answer

A) I 
B) II 
C) II and III 
D) I, II and III 
A) I 
B) II 
C) II and III 
D) I, II and III

Question 19

Which elements of creating a graphical user interface are made easier by a GUI builder?
I creating event handlers
II configuring component properties
III adding components

Accepted Answer

A) Only II 
B) I and II 
C) I and III 
D) I, II, and III 
A) Only II 
B) I and II 
C) I and III 
D) I, II, and III

Question 20

Which layout manager places objects left-to-right, and creates a new row only if when the current row cannot accommodate another object?

Accepted Answer

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

Exam 20: Graphical User Interfaces

The event that is generated by a slider when its value changes is of type _____.

What is the best first step in picking the layout managers for a set of nested panels?

Which layout manager uses a grid so that each component will always be placed into an area of the same size? i.GridBagLayout II.BorderLayout III.GridLayout

A ________ is a user-interface component with two states: checked and unchecked.

What can be determined about obj from the code below? JMenuItem menuItem = new JMenuItem("Exit"); menuItem.addActionListener(obj);

The _______ interface toolkit has a large set of user-interface components.

What method is required by the ChangeListener interface?

Which of the following is not a visual component?

Which of the following generate action events?

What is the container for top-level menu items?

Which layout manager uses a grid, but allows selected grid locations to span multiple rows or columns? i.GridBagLayout II.BorderLayout III.GridLayout

What code would be the most appropriate assist in getting notified when a user interacts with a JSlider?

Suppose a JPanel with a BorderLayout manager contains two components: component1, which was added to the CENTER, and component2, which was added to the SOUTH.Which parts of the JPanel will appear? i.North II.South III.Center IV.West v.East

Suppose a JPanel with a BorderLayout manager contains two components: component1, which was added to the EAST, and component2, which was added to the WEST.Which parts of the JPanel appear? i.North II.South III.Center IV.West v.East

How do you add two buttons to the south area of a frame using the BorderLayout?

Which class has constants called NORTH and SOUTH?

In an online job application, applicants have to submit a cover letter by typing it into a given text box.Which java class would be most appropriate for this text box?

What features do GUI builders have to speed the development of the graphical user interface of the program? i.setting properties of dialog boxes II.automated event-handling code generation III.drag and drop of visual components

Which elements of creating a graphical user interface are made easier by a GUI builder? I creating event handlers II configuring component properties III adding components

Which layout manager places objects left-to-right, and creates a new row only if when the current row cannot accommodate another object?

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Input/Output and Exception Handling

Object-Oriented Design

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Stream Processing

Advanced Input/Output

Multithreading

Internet Networking

Relational Databases

XML

Filters