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Questions and Answers
What is Java Swing primarily used for?
What is the top-level container for a GUI application in Java Swing?
What is the base class for all GUI components in Swing?
What is the purpose of a JLabel?
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What is the interface for handling button clicks and other events in Java Swing?
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What is the layout manager for arranging components in a grid?
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What is the thread responsible for updating the GUI in Java Swing?
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What is the method for scheduling GUI updates on the EDT?
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What is the component for displaying a multi-line text input field?
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What is the component for displaying a list of items that can be selected?
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Study Notes
Overview
Java Swing is a set of APIs for creating graphical user interfaces (GUIs) in Java. It is part of the Java Foundation Classes (JFC) and is built on top of the Abstract Window Toolkit (AWT).
Key Components
JFrame:
- A top-level container for a GUI application
- Provides a window with a title bar, borders, and a content pane
JPanel:
- A generic container for GUI components
- Can be added to a JFrame or another JPanel
JComponent:
- The base class for all GUI components in Swing
- Provides basic functionality such as size, location, and event handling
GUI Components
Labels and Buttons
- JLabel: displays text or an image
- JButton: a clickable button with text or an icon
Text Components
- JTextField: a single-line text input field
- JTextArea: a multi-line text input field
- JTextPane: a styled text component
Lists and Tables
- JList: a list of items that can be selected
- JTable: a table with rows and columns of data
Menus
- JMenuBar: a menu bar with multiple menus
- JMenu: a dropdown menu with menu items
- JMenuItem: an individual menu item
Event Handling
- ActionListener: an interface for handling button clicks and other events
- MouseListener: an interface for handling mouse clicks and movements
- KeyListener: an interface for handling keyboard input
Layout Managers
- BorderLayout: a layout manager for arranging components in a container
- FlowLayout: a layout manager for arranging components in a row or column
- GridLayout: a layout manager for arranging components in a grid
Threading and Updates
- Event-Dispatching Thread (EDT): the thread responsible for updating the GUI
- SwingUtilities.invokeLater(): a method for scheduling GUI updates on the EDT
Overview
- Java Swing is a set of APIs for creating graphical user interfaces (GUIs) in Java.
- It is part of the Java Foundation Classes (JFC) and built on top of the Abstract Window Toolkit (AWT).
Key Components
- JFrame is a top-level container for a GUI application, providing a window with a title bar, borders, and a content pane.
- JPanel is a generic container for GUI components, which can be added to a JFrame or another JPanel.
- JComponent is the base class for all GUI components in Swing, providing basic functionality such as size, location, and event handling.
GUI Components
- JLabel displays text or an image.
- JButton is a clickable button with text or an icon.
- JTextField is a single-line text input field.
- JTextArea is a multi-line text input field.
- JTextPane is a styled text component.
- JList is a list of items that can be selected.
- JTable is a table with rows and columns of data.
- JMenuBar is a menu bar with multiple menus.
- JMenu is a dropdown menu with menu items.
- JMenuItem is an individual menu item.
Event Handling
- ActionListener is an interface for handling button clicks and other events.
- MouseListener is an interface for handling mouse clicks and movements.
- KeyListener is an interface for handling keyboard input.
Layout Managers
- BorderLayout is a layout manager for arranging components in a container.
- FlowLayout is a layout manager for arranging components in a row or column.
- GridLayout is a layout manager for arranging components in a grid.
Threading and Updates
- Event-Dispatching Thread (EDT) is the thread responsible for updating the GUI.
- SwingUtilities.invokeLater() is a method for scheduling GUI updates on the EDT.
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Description
Learn about the key components of Java Swing, including JFrame, JPanel, and JComponent, for building graphical user interfaces in Java.
