Question 1

All layout managers implement the interface ________.

Accepted Answer

A) LayoutInterface 
B) InterfaceLayoutManager 
C) LayoutManagerInterface 
D) LayoutManager 
A) LayoutInterface 
B) InterfaceLayoutManager 
C) LayoutManagerInterface 
D) LayoutManager

Question 2

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 3

Which MouseEvent method can be used to determine if the Alt key is pressed?

Accepted Answer

A) isAltPressed. 
B) isAltDown. 
C) getClickCount. 
D) AltPressed. 
A) isAltPressed. 
B) isAltDown. 
C) getClickCount. 
D) AltPressed.

Question 4

A JTextArea ________.

Accepted Answer

A) provides a bounding box used for the layout of JTextFields 
B) wraps lines by default 
C) provides an area for manipulating multiple lines of text 
D) provides scrollbars for JTextFields 
A) provides a bounding box used for the layout of JTextFields 
B) wraps lines by default 
C) provides an area for manipulating multiple lines of text 
D) provides scrollbars for JTextFields

Question 5

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.

Question 6

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 7

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 8

Which of the following is not necessary to use the event delegation model?

Accepted Answer

A) An event listener must be registered. 
B) An event handler must be implemented. 
C) The appropriate interface must be implemented. 
D) The appropriate interface must be registered. 
A) An event listener must be registered. 
B) An event handler must be implemented. 
C) The appropriate interface must be implemented. 
D) The appropriate interface must be registered.

Question 9

Which of the following is not a type of button?

Accepted Answer

A) command buttons. 
B) toggle buttons. 
C) check boxes. 
D) All of the above are types of buttons. 
A) command buttons. 
B) toggle buttons. 
C) check boxes. 
D) All of the above are types of buttons.

Question 10

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 11

Class JTextArea's getSelectedText method ________.

Accepted Answer

A) returns the text in the JTextArea 
B) returns the selected text in the JTextArea 
C) displays only the selected text in the JTextArea 
D) sets the selected text in the JTextArea 
A) returns the text in the JTextArea 
B) returns the selected text in the JTextArea 
C) displays only the selected text in the JTextArea 
D) sets the selected text in the JTextArea

Question 12

Which of the following is stateless?

Accepted Answer

A) JButton. 
B) JToggleButton. 
C) JRadioButton. 
D) JCheckBox. 
A) JButton. 
B) JToggleButton. 
C) JRadioButton. 
D) JCheckBox.

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

FlowLayout is ________.

Accepted Answer

A) an abstract class 
B) a way of organizing components vertically 
C) the simplest layout manager 
D) left-aligned by default 
A) an abstract class 
B) a way of organizing components vertically 
C) the simplest layout manager 
D) left-aligned by default

Question 15

When components are added to a container with a GridLayout,the component ________.

Accepted Answer

A) fills the next spot in the row,continuing in the first position of the next row if the current row is full 
B) fills the next spot in the column,continuing in the first position of the next column if the column is full 
C) fills in row x,column y if x and y are two integers passed to the Container method add 
D) fills in a random empty position in the grid 
A) fills the next spot in the row,continuing in the first position of the next row if the current row is full 
B) fills the next spot in the column,continuing in the first position of the next column if the column is full 
C) fills in row x,column y if x and y are two integers passed to the Container method add 
D) fills in a random empty position in the grid

Question 16

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 17

The text "Hello there,my friend." is an example of what type of capitalization?

Accepted Answer

A) sentence-style capitalization. 
B) book-title capitalization. 
C) Neither of the above. 
D) Both of the above. 
A) sentence-style capitalization. 
B) book-title capitalization. 
C) Neither of the above. 
D) Both of the above.

Question 18

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 19

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 20

Method paintComponent is called when:

Accepted Answer

A) a lightweight Swing component is created. 
B) a lightweight Swing component is displayed. 
C) a lightweight Swing component is clicked. 
D) an application exits. 
A) a lightweight Swing component is created. 
B) a lightweight Swing component is displayed. 
C) a lightweight Swing component is clicked. 
D) an application exits.

Exam 12: Gui Components: Part 1

All layout managers implement the interface ________.

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

Which MouseEvent method can be used to determine if the Alt key is pressed?

A JTextArea ________.

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

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

Which of the following is not a KeyListener method?

Which of the following is not necessary to use the event delegation model?

Which of the following is not a type of button?

Which component contains menus?

Class JTextArea's getSelectedText method ________.

Which of the following is stateless?

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

FlowLayout is ________.

When components are added to a container with a GridLayout,the component ________.

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

The text "Hello there,my friend." is an example of what type of capitalization?

Which of the following statements about heavyweight components is false?

The Shift key is a(n) key.

Method paintComponent is called when:

Introduction to Computers and Java

Introduction to Java Applications

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays and Arraylists

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Graphics and Java 2D

Strings

Files,streams and Object Serialization

Generic Collections

Lambdas

Recursion

Searching, Sorting and Big O

Generic Classes and Methods

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

JavaFX

Filters

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