Question 1

How do you change the text of a JLabel ? Provide an example.

Accepted Answer

You can change the text in a JLabel by u

Question 2

An object that is interested in an event is called a source.

Accepted Answer

A) True 
 B)False

Question 3

Match between columns
                        Premises: Component that holds other components

Accepted Answer

The Answer of layout manager and look and feel and is...

Question 4

A method that executes because it is called automatically when an appropriate event occurs is an event ____.

Accepted Answer

A)  responder 
B)  listener 
C)  handler 
D)  source 
A)  responder 
B)  listener 
C)  handler 
D)  source

Question 5

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

Accepted Answer

JButton submitButton

Question 6

The ____ layout manager places components in a row, and when a row is filled, it automatically spills components into the next row.

Accepted Answer

A)  flow 
B)  border 
C)  grid 
D)  group 
A)  flow 
B)  border 
C)  grid 
D)  group

Question 7

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 8

When setting a JFrame 's size, part of the area is unusable because it is consumed by the JFrame 's title bar and borders.

Accepted Answer

A) True 
 B)False

Question 9

Match between columns
                        Premises: Arial, Century, Monospaced, and Times New Roman

Accepted Answer

The Answer of look and feel and event handler and is...

Question 10

The JButton , JCheckBox , JComboBox , and JRadioButton components are associated with the ____ method.

Accepted Answer

A)  addAdjustmentListener() 
B)  addChangeListener() 
C)  addWindowListener() 
D)  addItemListener() 
A)  addAdjustmentListener() 
B)  addChangeListener() 
C)  addWindowListener() 
D)  addItemListener()

Question 11

import javax.swing.*; 
public class JFrame1 
{ 
     public static void main(String[] args) 
     { 
         JFrame aFrame = new JFrame("First frame"); 
         aFrame.setSize(300, 125); 
         aFrame.setVisible(true); 
     } 
} 
Explain the purpose of each statement in the main() method above and why they are necessary for creating a JFrame .

Accepted Answer

The first statement declares a JFrame na

Question 12

What are the tasks you must perform when you declare a class that handles an event?

Accepted Answer

You must perform the following tasks whe

Question 13

What are the four JFrame constructors?

Accepted Answer

* JFrame() constructs a new frame that i

Question 14

Match between columns
                        Premises: The design, style, and functionality of a user interface

Accepted Answer

The Answer of point size and window decorations and fonts is...

Question 15

Match between columns
                        Premises: A coffee-cup icon in the frame's title bar, and the Minimize, Restore, and Close buttons

Accepted Answer

The Answer of layout manager and window decorations and flow is...

Question 16

Within an implementation of the itemStateChanged() method, you can use the ____ method to determine which object generated the event, and the getStateChange() method to determine whether the event was a selection or a deselection.

Accepted Answer

A)  getSource() 
B)  getEvent() 
C)  getItem() 
D)  getState() 
A)  getSource() 
B)  getEvent() 
C)  getItem() 
D)  getState()

Question 17

Match between columns
                        Premises: Are written completely in Java and do not have to rely on the local operating system code

Accepted Answer

The Answer of frame and layout manager and register and is...

Question 18

The ____ method of JComboBox returns the maximum number of items the combo box can display without a scroll bar.

Accepted Answer

A)  getSelectedItem() 
B)  getItemCount() 
C)  getMaximumRowCount() 
D)  getSelectedIndex() 
A)  getSelectedItem() 
B)  getItemCount() 
C)  getMaximumRowCount() 
D)  getSelectedIndex()

Question 19

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 20

Match between columns
                        Premises: Sign up an object as a listener

Accepted Answer

The Answer of fonts and window decorations and container and is...

How do you change the text of a JLabel ? Provide an example.

An object that is interested in an event is called a source.

A method that executes because it is called automatically when an appropriate event occurs is an event ____.

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

The ____ layout manager places components in a row, and when a row is filled, it automatically spills components into the next row.

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

When setting a JFrame 's size, part of the area is unusable because it is consumed by the JFrame 's title bar and borders.

The JButton , JCheckBox , JComboBox , and JRadioButton components are associated with the ____ method.

import javax.swing.*; public class JFrame1 { public static void main(String[] args) { JFrame aFrame = new JFrame("First frame"); aFrame.setSize(300, 125); aFrame.setVisible(true); } } Explain the purpose of each statement in the main() method above and why they are necessary for creating a JFrame .

What are the tasks you must perform when you declare a class that handles an event?

What are the four JFrame constructors?

Within an implementation of the itemStateChanged() method, you can use the ____ method to determine which object generated the event, and the getStateChange() method to determine whether the event was a selection or a deselection.

The ____ method of JComboBox returns the maximum number of items the combo box can display without a scroll bar.

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

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters

Exam 14: Introduction to Swing Components

How do you change the text of a JLabel ? Provide an example.

An object that is interested in an event is called a source.

A method that executes because it is called automatically when an appropriate event occurs is an event ____.

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

The ____ layout manager places components in a row, and when a row is filled, it automatically spills components into the next row.

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

When setting a JFrame 's size, part of the area is unusable because it is consumed by the JFrame 's title bar and borders.

The JButton , JCheckBox , JComboBox , and JRadioButton components are associated with the ____ method.

import javax.swing.*; public class JFrame1 { public static void main(String[] args) { JFrame aFrame = new JFrame("First frame"); aFrame.setSize(300, 125); aFrame.setVisible(true); } } Explain the purpose of each statement in the main() method above and why they are necessary for creating a JFrame .

What are the tasks you must perform when you declare a class that handles an event?

What are the four JFrame constructors?

Within an implementation of the itemStateChanged() method, you can use the ____ method to determine which object generated the event, and the getStateChange() method to determine whether the event was a selection or a deselection.

The ____ method of JComboBox returns the maximum number of items the combo box can display without a scroll bar.

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

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters