Question 1

Java provides you with a Font class from which you can create an object that holds typeface and size information.

Accepted Answer

A) True 
 B)False

Question 2

Write the statement to create a JLabel named welcome that holds the words "Welcome Home".

Accepted Answer

JLabel wel

Question 3

What class is the immediate parent of JFrame ?

Accepted Answer

A)  Container 
B)  Component 
C)  Frame 
D)  Window 
A)  Container 
B)  Component 
C)  Frame 
D)  Window

Question 4

Which of the following statements will change the value displayed in a JLabel named hello ?

Accepted Answer

A)  hello.setText("Hello"); 
B)  setText.hello = "Hello" 
C)  hello = setText("Hello"); 
D)  setText = hello 
A)  hello.setText("Hello"); 
B)  setText.hello = "Hello" 
C)  hello = setText("Hello"); 
D)  setText = hello

Question 5

You can call a JFrame 's setDefaultCloseOperation() method and use ____ as an argument to keep the JFrame visible and continue running the program.

Accepted Answer

A)  JFrame.EXIT_ON_CLOSE 
B)  WindowConstants.DISPOSE_ON_CLOSE 
C)  WindowConstants.DO_NOTHING_ON_CLOSE 
D)  WindowConstants.HIDE_ON_CLOSE 
A)  JFrame.EXIT_ON_CLOSE 
B)  WindowConstants.DISPOSE_ON_CLOSE 
C)  WindowConstants.DO_NOTHING_ON_CLOSE 
D)  WindowConstants.HIDE_ON_CLOSE

Question 6

Write the statement to add a tool tip that displays "Submit your form" to a button named submit .

Accepted Answer

submit.set

Question 7

How do you modify whether or not a JTextField can be edited?

Accepted Answer

A JTextField is editable by default. If

Question 8

A ____ is a Component used to trigger an action or make a selection when the user clicks it.

Accepted Answer

A)  JCheckBox 
B)  JButton 
C)  JLabel 
D)  JComboBox 
A)  JCheckBox 
B)  JButton 
C)  JLabel 
D)  JComboBox

Question 9

What is the immediate parent class of JTextField ?

Accepted Answer

A)  JTextComponent 
B)  JComponent 
C)  Container 
D)  JFrame 
A)  JTextComponent 
B)  JComponent 
C)  Container 
D)  JFrame

Question 10

Which method overrides the default behavior for the JFrame to be positioned in the upper-left corner of the computer screen's desktop?

Accepted Answer

A)  setSize() 
B)  title() 
C)  setBounds() 
D)  isResizable() 
A)  setSize() 
B)  title() 
C)  setBounds() 
D)  isResizable()

Question 11

When you create a(n) ____, you can group several components, such as JCheckBox es, so a user can select only one at a time.

Accepted Answer

A)  CheckGroup 
B)  ButtonGroup 
C)  OptionBox 
D)  OptionGroup 
A)  CheckGroup 
B)  ButtonGroup 
C)  OptionBox 
D)  OptionGroup

Question 12

Which statements create a JLabel that holds the words "Happy birthday"  and adds the greeting to a JFrame object named aGreeting?

Accepted Answer

A)  JLabel mygreeting = aFrame.add(mygreeting); new JLabel( "Happy Brithday"); 
B)  JLabel mygreeting = new Frame( "Happy Brithday"); 
C)  JLabel("Happy Brithday");  aGreeting.add(Label); 
D)  JLabel mygreeting = new JLabel("Happy Birthday"); aGreeting.add(mygreeting); 
A)  JLabel mygreeting = aFrame.add(mygreeting); new JLabel( "Happy Brithday"); 
B)  JLabel mygreeting = new Frame( "Happy Brithday"); 
C)  JLabel("Happy Brithday");  aGreeting.add(Label); 
D)  JLabel mygreeting = new JLabel("Happy Birthday"); aGreeting.add(mygreeting);

Question 13

How can you customize the appearance of a JFrame ?

Accepted Answer

The appearance of the JFrame is provided

Question 14

You can use the setEnabled() method to make a component available or unavailable by passing true or false to it.

Accepted Answer

A) True 
 B)False

Question 15

The ActionListener interface contains the ____ method specification.

Accepted Answer

A)  actionOccurred(Action e) 
B)  actionPerformed(ActionEvent e) 
C)  actionEvent(ActionEvent e) 
D)  action(Event e) 
A)  actionOccurred(Action e) 
B)  actionPerformed(ActionEvent e) 
C)  actionEvent(ActionEvent e) 
D)  action(Event e)

Question 16

Write the statement to create a layout manager named myLayout that centers components in each row.

Accepted Answer

FlowLayout myLayout

Question 17

You cannot change the font of strings displayed in GUI components.

Accepted Answer

A) True 
 B)False

Question 18

Assume you have declared a JFrame named welcomeFrame . Write the statement to set the welcomeFrame object's size to 300 pixels horizontally by 110 pixels vertically. Create a second statement to set the JFrame 's title to display the text "My Sized Frame".

Accepted Answer

welcomeFrame.setSize

Question 19

Write the statement to create a JButton named submitButton with the label "Submit your data".

Accepted Answer

JButton submitButton

Question 20

Which method do you use to change the state of a JCheckBox ?

Accepted Answer

A)  void setSelected(boolean) 
B)  boolean isSelected() 
C)  void setText(String) 
D)  String getText() 
A)  void setSelected(boolean) 
B)  boolean isSelected() 
C)  void setText(String) 
D)  String getText()

Java provides you with a Font class from which you can create an object that holds typeface and size information.

Write the statement to create a JLabel named welcome that holds the words "Welcome Home".

What class is the immediate parent of JFrame ?

Which of the following statements will change the value displayed in a JLabel named hello ?

You can call a JFrame 's setDefaultCloseOperation() method and use ____ as an argument to keep the JFrame visible and continue running the program.

Write the statement to add a tool tip that displays "Submit your form" to a button named submit .

How do you modify whether or not a JTextField can be edited?

A ____ is a Component used to trigger an action or make a selection when the user clicks it.

What is the immediate parent class of JTextField ?

Which method overrides the default behavior for the JFrame to be positioned in the upper-left corner of the computer screen's desktop?

When you create a(n) ____, you can group several components, such as JCheckBox es, so a user can select only one at a time.

Which statements create a JLabel that holds the words "Happy birthday" and adds the greeting to a JFrame object named aGreeting?

How can you customize the appearance of a JFrame ?

You can use the setEnabled() method to make a component available or unavailable by passing true or false to it.

The ActionListener interface contains the ____ method specification.

Write the statement to create a layout manager named myLayout that centers components in each row.

You cannot change the font of strings displayed in GUI components.

Assume you have declared a JFrame named welcomeFrame . Write the statement to set the welcomeFrame object's size to 300 pixels horizontally by 110 pixels vertically. Create a second statement to set the JFrame 's title to display the text "My Sized Frame".

Write the statement to create a JButton named submitButton with the label "Submit your data".

Which method do you use to change the state of a JCheckBox ?

Creating Java Programs

Using Data

Using Methods Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Advanced Gui Topics

Graphics

Filters

Exam 14: Introduction to Swing Components

Java provides you with a Font class from which you can create an object that holds typeface and size information.

Write the statement to create a JLabel named welcome that holds the words "Welcome Home".

What class is the immediate parent of JFrame ?

Which of the following statements will change the value displayed in a JLabel named hello ?

You can call a JFrame 's setDefaultCloseOperation() method and use ____ as an argument to keep the JFrame visible and continue running the program.

Write the statement to add a tool tip that displays "Submit your form" to a button named submit .

How do you modify whether or not a JTextField can be edited?

A ____ is a Component used to trigger an action or make a selection when the user clicks it.

What is the immediate parent class of JTextField ?

Which method overrides the default behavior for the JFrame to be positioned in the upper-left corner of the computer screen's desktop?

When you create a(n) ____, you can group several components, such as JCheckBox es, so a user can select only one at a time.

Which statements create a JLabel that holds the words "Happy birthday" and adds the greeting to a JFrame object named aGreeting?

How can you customize the appearance of a JFrame ?

You can use the setEnabled() method to make a component available or unavailable by passing true or false to it.

The ActionListener interface contains the ____ method specification.

Write the statement to create a layout manager named myLayout that centers components in each row.

You cannot change the font of strings displayed in GUI components.

Assume you have declared a JFrame named welcomeFrame . Write the statement to set the welcomeFrame object's size to 300 pixels horizontally by 110 pixels vertically. Create a second statement to set the JFrame 's title to display the text "My Sized Frame".

Write the statement to create a JButton named submitButton with the label "Submit your data".

Which method do you use to change the state of a JCheckBox ?

Creating Java Programs

Using Data

Using Methods Classes and Objects

More Object Concepts

Making Decisions

Looping

Characters Strings and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Advanced Gui Topics

Graphics

Filters