What is an event in GUI programming?

An action that occurs, such as a mouse click or key press.

A visual component on the screen.

A layout manager for arranging components.

A class used for drawing graphics.

What is an event listener?

An interface that defines methods to handle specific events.

A component that generates events.

A class that manages the layout of components.

A method called when an event occurs.

What is an event handler?

The method within an event listener that is executed when an event occurs.

The interface that defines event handling methods.

The process of registering a listener with an event source.

How do you register an event listener with a component?

By calling the component's add[EventType]Listener() method (e.g., addActionListener()).

By calling the component's addListener() method.

By implementing the listener interface in the component class.

By creating a new listener object and assigning it to the component.

What is the purpose of the repaint() method?

To request that the component be redrawn.

To add a new component to the GUI.

To remove a component from the GUI.

To change the layout of the components.

What is the purpose of the setVisible(true) method for a JFrame?

To make the frame appear on the screen.

What is the purpose of the pack() method of a JFrame?

To set the size of the frame so that all its contents are at or above their preferred sizes.

To arrange components using the default layout manager.

What is double buffering in GUI programming?

Drawing off-screen first and then copying to the screen to prevent flickering.

Drawing directly onto the screen to improve performance.

Using two separate windows for displaying content.

Storing two copies of the GUI state.

What is the role of the contentPane in a JFrame?

It is the main area within the frame where components are added.

It is the title bar of the frame.

It is the border around the frame.

How do you add a component to a JFrame?

By adding it to the contentPane of the JFrame.

By directly adding it to the JFrame object.

By using the addComponent() method of the JFrame.

By setting the component as the layout manager.

What is the purpose of the JScrollPane?

To provide scrollbars for viewing content that doesn't fit in the visible area.

To display a single line of scrollable text.

To create animated scrolling effects.

To manage the layout of scrollable components.

What is the purpose of the setEnabled(false) method of a JButton?

To make the button unclickable and visually grayed out.

To remove the button from its container.

To change the text on the button to 'Disabled'.

What is the purpose of a JDialog?

To display a temporary window for user interaction, often for specific tasks or messages.

To create the main application window.

To manage the layout of components.

To handle events from other components.

What is the difference between a modal and a non-modal dialog?

Modal dialogs prevent interaction with the parent window until closed, while non-modal dialogs do not.

Modal dialogs are resizable, while non-modal dialogs are not.

Modal dialogs are created using JDialog, while non-modal dialogs use JFrame.

Modal dialogs are always centered on the screen, while non-modal dialogs can be positioned anywhere.

Java GUI Programming Quiz

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MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which package in Java provides the core classes for creating graphical user interfaces?

java.util

java.io

java.awt

java.net

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What does AWT stand for?

Abstract Windowing Toolkit

Advanced Windowing Technology

Application Windowing Tool

Automated Workflow Toolkit

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which of the following is a lightweight component in Swing?

java.awt.Button

java.awt.Frame

javax.swing.JButton

java.awt.Dialog

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the top-level container for Swing components?

JPanel

JLabel

JFrame

JButton

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which layout manager arranges components in a single row or column?

FlowLayout

BorderLayout

GridLayout

BoxLayout

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which layout manager arranges components in a grid of rows and columns?

FlowLayout

BorderLayout

GridLayout

CardLayout

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which layout manager arranges components in five regions: North, South, East, West, and Center?

FlowLayout

BorderLayout

GridLayout

BoxLayout

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Java GUI Programming Quiz

Which package in Java provides the core classes for creating graphical user interfaces?

What does AWT stand for?

Which of the following is a lightweight component in Swing?

What is the top-level container for Swing components?

Which layout manager arranges components in a single row or column?

Which layout manager arranges components in a grid of rows and columns?

Which layout manager arranges components in five regions: North, South, East, West, and Center?

Which layout manager displays components one at a time, like a deck of cards?

Which layout manager arranges components in a line, either horizontally or vertically?

What is the base class for all Swing components?

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