Java GUI - OverwriteMatrix/RosettaCode GitHub Wiki
Java GUI Components
🧱 Top-Level Containers
| Component | Description |
|---|---|
JFrame |
A main window with title bar |
JDialog |
A pop-up dialog window |
JWindow |
A borderless window |
📦 Containers & Layout Components
| Component | Description |
|---|---|
JPanel |
A generic container |
JScrollPane |
Adds scrollbars to a component |
JSplitPane |
Splits space between two components |
JTabbedPane |
Tabbed navigation container |
JLayeredPane |
Overlapping components in layers |
JDesktopPane |
Container for internal frames |
JInternalFrame |
Child window inside JDesktopPane |
JToolBar |
Container for toolbar buttons |
Box |
Horizontal or vertical component box |
👨💻 Input Components
| Component | Description |
|---|---|
JButton |
Clickable button |
JToggleButton |
Button that can stay pressed |
JCheckBox |
Checkbox option |
JRadioButton |
Part of a radio button group |
JComboBox |
Drop-down list |
JTextField |
Single-line text input |
JPasswordField |
Text field that hides characters |
JTextArea |
Multi-line text area |
JSpinner |
Numeric selector (up/down arrows) |
JSlider |
Slider for selecting numeric value |
JList |
List of selectable items (On JScrollPane) |
JTable |
Spreadsheet-style data grid |
JTree |
Hierarchical tree structure |
📄 Display Components
| Component | Description |
|---|---|
JLabel |
Displays text or image |
JProgressBar |
Visual progress indicator |
JSeparator |
Horizontal/vertical dividing line |
JToolTip |
Tooltip that appears on hover |
JEditorPane |
Displays rich content (HTML, RTF) |
JTextPane |
Styled, editable text content |
🍔 Menu Components
| Component | Description |
|---|---|
JMenuBar |
Top-level menu bar |
JMenu |
A dropdown menu |
JMenuItem |
An item inside a menu |
JCheckBoxMenuItem |
A checkbox menu item |
JRadioButtonMenuItem |
A radio button menu item |
🧰 Utility Components
| Component | Description |
|---|---|
JFileChooser |
File open/save dialog |
JColorChooser✅ |
Color picker dialog |
Timer |
Used for scheduled tasks (javax.swing.Timer) |
InputVerifier |
Validates input focus transfers |
💡 (Bonus) AWT Components (less common in Swing apps)
| Component | Description |
|---|---|
Canvas✅ |
Drawing surface |
Label |
Basic text display |
TextField |
AWT text input |
Checkbox |
AWT checkbox |
Choice |
AWT drop-down |
List |
AWT list of items |
Scrollbar |
AWT scroll bar |
Java GUI Listeners
| Listener Interface | Commonly Used Components | Typical Use Case |
|---|---|---|
| ActionListener | JButton, JMenuItem, JCheckBox, JRadioButton, JComboBox, JTextField |
Button clicks, item selection, enter key |
| KeyListener | JTextField, JTextArea, JPanel, JFrame |
Typing, shortcuts, key detection |
| MouseListener | JPanel, JLabel, JButton, custom components |
Click, press, enter, exit events |
| MouseMotionListener | JPanel, custom drawing areas |
Cursor movement, dragging |
| MouseWheelListener | JScrollPane, JPanel, custom scrollable components |
Mouse wheel scrolling, zooming |
| ComponentListener | JFrame, JPanel, any Component |
Resize, move, show, hide |
| ContainerListener | JPanel, JFrame, JLayeredPane |
Component added/removed from containers |
| FocusListener | JTextField, JComboBox, JTextArea |
Input focus gain/loss |
| HierarchyListener | Any Component |
Parent/ancestor changes in component tree |
| HierarchyBoundsListener | JComponent, JPanel |
Moved/resized in component tree |
| WindowListener | JFrame, JDialog |
Open, close, iconify, activate window |
| WindowFocusListener | JFrame, JDialog |
Window focus gain/loss |
| WindowStateListener | JFrame |
Maximize, minimize, restore state |
| ItemListener | JCheckBox, JRadioButton, JComboBox |
Selection toggle or item change |
| ChangeListener | JSlider, JSpinner, JProgressBar, JTabbedPane, JToggleButton |
Value or state change |
| AdjustmentListener | JScrollBar |
Scrollbar position changes |
| InputMethodListener | JTextField, JTextArea, other text inputs |
IME (Input Method Editor) composition events |