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## javax.swing.tree
Class DefaultTreeCellRenderer

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JLabel
                      javax.swing.tree.DefaultTreeCellRenderer

All Implemented Interfaces:
  Accessible, ImageObserver, MenuContainer, Serializable, SwingConstants, TreeCellRenderer

public class DefaultTreeCellRenderer
extends JLabel
implements TreeCellRenderer

Displays an entry in a tree. See How to Use Trees in The Java Tutorial for examples of customizing node display using this class.

Implementation Note: This class overrides `validate`, `revalidate`, `repaint`, and `firePropertyChange` solely to improve performance. If not overridden, these frequently called methods would execute code paths that are unnecessary for the default tree cell renderer. If you write your own renderer, take care to weigh the benefits and drawbacks of overriding these methods.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeansTM has been added to the `java.beans` package. Please see `XMLEncoder`.

Nested Class Summary

Nested classes inherited from class javax.swing.JLabel
`JLabel.AccessibleJLabel`

Nested classes inherited from class javax.swing.JComponent
`JComponent.AccessibleJComponent`

Nested classes inherited from class java.awt.Container
`Container.AccessibleAWTContainer`

Nested classes inherited from class java.awt.Component
`Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy`

Field Summary
`protected Color` | `backgroundNonSelectionColor` Color to use for the background when the node isn't selected.
`protected Color` | `backgroundSelectionColor` Color to use for the background when a node is selected.
`protected Color` | `borderSelectionColor` Color to use for the focus indicator when the node has focus.
`protected Icon` | `closedIcon` Icon used to show non-leaf nodes that aren't expanded.
`protected boolean` | `hasFocus` True if has focus.
`protected Icon` | `leafIcon` Icon used to show leaf nodes.
`protected Icon` | `openIcon` Icon used to show non-leaf nodes that are expanded.
`protected boolean` | `selected` Is the value currently selected.
`protected Color` | `textNonSelectionColor` Color to use for the foreground for non-selected nodes.
`protected Color` | `textSelectionColor` Color to use for the foreground for selected nodes.

Fields inherited from class javax.swing.JLabel
`labelFor`

Fields inherited from class javax.swing.JComponent
`accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW`

Fields inherited from class java.awt.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface javax.swing.SwingConstants
`BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`DefaultTreeCellRenderer()` Returns a new instance of DefaultTreeCellRenderer.

Method Summary
`void` | `firePropertyChange(String propertyName, boolean oldValue, boolean newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, byte oldValue, byte newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, char oldValue, char newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, double oldValue, double newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, float oldValue, float newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, int oldValue, int newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, long oldValue, long newValue)` Overridden for performance reasons.
`protected void` | `firePropertyChange(String propertyName, Object oldValue, Object newValue)` Overridden for performance reasons.
`void` | `firePropertyChange(String propertyName, short oldValue, short newValue)` Overridden for performance reasons.
`Color` | `getBackgroundNonSelectionColor()` Returns the background color to be used for non selected nodes.
`Color` | `getBackgroundSelectionColor()` Returns the color to use for the background if node is selected.
`Color` | `getBorderSelectionColor()` Returns the color the border is drawn.
`Icon` | `getClosedIcon()` Returns the icon used to represent non-leaf nodes that are not expanded.
`Icon` | `getDefaultClosedIcon()` Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are not expanded.
`Icon` | `getDefaultLeafIcon()` Returns the default icon, for the current laf, that is used to represent leaf nodes.
`Icon` | `getDefaultOpenIcon()` Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are expanded.
`Font` | `getFont()` Gets the font of this component.
`Icon` | `getLeafIcon()` Returns the icon used to represent leaf nodes.
`Icon` | `getOpenIcon()` Returns the icon used to represent non-leaf nodes that are expanded.
`Dimension` | `getPreferredSize()` Overrides `JComponent.getPreferredSize` to return slightly wider preferred size value.
`Color` | `getTextNonSelectionColor()` Returns the color the text is drawn with when the node isn't selected.
`Color` | `getTextSelectionColor()` Returns the color the text is drawn with when the node is selected.
`Component` | `getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus)` Configures the renderer based on the passed in components.
`void` | `paint(Graphics g)` Paints the value.
`void` | `repaint(long tm, int x, int y, int width, int height)` Overridden for performance reasons.
`void` | `repaint(Rectangle r)` Overridden for performance reasons.
`void` | `revalidate()` Overridden for performance reasons.
`void` | `setBackground(Color color)` Subclassed to map `ColorUIResource`s to null.
`void` | `setBackgroundNonSelectionColor(Color newColor)` Sets the background color to be used for non selected nodes.
`void` | `setBackgroundSelectionColor(Color newColor)` Sets the color to use for the background if node is selected.
`void` | `setBorderSelectionColor(Color newColor)` Sets the color to use for the border.
`void` | `setClosedIcon(Icon newIcon)` Sets the icon used to represent non-leaf nodes that are not expanded.
`void` | `setFont(Font font)` Subclassed to map `FontUIResource`s to null.
`void` | `setLeafIcon(Icon newIcon)` Sets the icon used to represent leaf nodes.
`void` | `setOpenIcon(Icon newIcon)` Sets the icon used to represent non-leaf nodes that are expanded.
`void` | `setTextNonSelectionColor(Color newColor)` Sets the color the text is drawn with when the node isn't selected.
`void` | `setTextSelectionColor(Color newColor)` Sets the color the text is drawn with when the node is selected.
`void` | `validate()` Overridden for performance reasons.

Methods inherited from class javax.swing.JLabel
`checkHorizontalKey, checkVerticalKey, getAccessibleContext, getDisabledIcon, getDisplayedMnemonic, getDisplayedMnemonicIndex, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getLabelFor, getText, getUI, getUIClassID, getVerticalAlignment, getVerticalTextPosition, imageUpdate, paramString, setDisabledIcon, setDisplayedMnemonic, setDisplayedMnemonic, setDisplayedMnemonicIndex, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setIconTextGap, setLabelFor, setText, setUI, setVerticalAlignment, setVerticalTextPosition, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validateTree`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### selected

    protected boolean selected

  Is the value currently selected.

### hasFocus

    protected boolean hasFocus

  True if has focus.

### closedIcon

    protected transient Icon closedIcon

  Icon used to show non-leaf nodes that aren't expanded.

### leafIcon

    protected transient Icon leafIcon

  Icon used to show leaf nodes.

### openIcon

    protected transient Icon openIcon

  Icon used to show non-leaf nodes that are expanded.

### textSelectionColor

    protected Color textSelectionColor

  Color to use for the foreground for selected nodes.

### textNonSelectionColor

    protected Color textNonSelectionColor

  Color to use for the foreground for non-selected nodes.

### backgroundSelectionColor

    protected Color backgroundSelectionColor

  Color to use for the background when a node is selected.

### backgroundNonSelectionColor

    protected Color backgroundNonSelectionColor

  Color to use for the background when the node isn't selected.

### borderSelectionColor

    protected Color borderSelectionColor

  Color to use for the focus indicator when the node has focus.

Constructor Detail

### DefaultTreeCellRenderer

    public DefaultTreeCellRenderer()

  Returns a new instance of DefaultTreeCellRenderer. Alignment is set to left aligned. Icons and text color are determined from the UIManager.

Method Detail

### getDefaultOpenIcon

    public Icon getDefaultOpenIcon()

  Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are expanded.

### getDefaultClosedIcon

    public Icon getDefaultClosedIcon()

  Returns the default icon, for the current laf, that is used to represent non-leaf nodes that are not expanded.

### getDefaultLeafIcon

    public Icon getDefaultLeafIcon()

  Returns the default icon, for the current laf, that is used to represent leaf nodes.

### setOpenIcon

    public void setOpenIcon(Icon newIcon)

  Sets the icon used to represent non-leaf nodes that are expanded.

### getOpenIcon

    public Icon getOpenIcon()

  Returns the icon used to represent non-leaf nodes that are expanded.

### setClosedIcon

    public void setClosedIcon(Icon newIcon)

  Sets the icon used to represent non-leaf nodes that are not expanded.

### getClosedIcon

    public Icon getClosedIcon()

  Returns the icon used to represent non-leaf nodes that are not expanded.

### setLeafIcon

    public void setLeafIcon(Icon newIcon)

  Sets the icon used to represent leaf nodes.

### getLeafIcon

    public Icon getLeafIcon()

  Returns the icon used to represent leaf nodes.

### setTextSelectionColor

    public void setTextSelectionColor(Color newColor)

  Sets the color the text is drawn with when the node is selected.

### getTextSelectionColor

    public Color getTextSelectionColor()

  Returns the color the text is drawn with when the node is selected.

### setTextNonSelectionColor

    public void setTextNonSelectionColor(Color newColor)

  Sets the color the text is drawn with when the node isn't selected.

### getTextNonSelectionColor

    public Color getTextNonSelectionColor()

  Returns the color the text is drawn with when the node isn't selected.

### setBackgroundSelectionColor

    public void setBackgroundSelectionColor(Color newColor)

  Sets the color to use for the background if node is selected.

### getBackgroundSelectionColor

    public Color getBackgroundSelectionColor()

  Returns the color to use for the background if node is selected.

### setBackgroundNonSelectionColor

    public void setBackgroundNonSelectionColor(Color newColor)

  Sets the background color to be used for non selected nodes.

### getBackgroundNonSelectionColor

    public Color getBackgroundNonSelectionColor()

  Returns the background color to be used for non selected nodes.

### setBorderSelectionColor

    public void setBorderSelectionColor(Color newColor)

  Sets the color to use for the border.

### getBorderSelectionColor

    public Color getBorderSelectionColor()

  Returns the color the border is drawn.

### setFont

    public void setFont(Font font)

  Subclassed to map `FontUIResource`s to null. If `font` is null, or a `FontUIResource`, this has the effect of letting the font of the JTree show through. On the other hand, if `font` is non-null, and not a `FontUIResource`, the font becomes `font`.

  Overrides:
    `setFont` in class `JComponent`
  Parameters:
    `font` - the desired `Font` for this component
  See Also:
    `Component.getFont()`

### getFont

    public Font getFont()

  Gets the font of this component.

  Specified by:
    `getFont` in interface `MenuContainer`
  Overrides:
    `getFont` in class `Component`
  Returns:
    this component's font; if a font has not been set for this component, the font of its parent is returned
  See Also:
    `Component.setFont(java.awt.Font)`

### setBackground

    public void setBackground(Color color)

  Subclassed to map `ColorUIResource`s to null. If `color` is null, or a `ColorUIResource`, this has the effect of letting the background color of the JTree show through. On the other hand, if `color` is non-null, and not a `ColorUIResource`, the background becomes `color`.

  Overrides:
    `setBackground` in class `JComponent`
  Parameters:
    `color` - the desired background `Color`
  See Also:
    `Component.getBackground()`

### getTreeCellRendererComponent

    public Component getTreeCellRendererComponent(JTree tree,
                                                  Object value,
                                                  boolean sel,
                                                  boolean expanded,
                                                  boolean leaf,
                                                  int row,
                                                  boolean hasFocus)

  Configures the renderer based on the passed in components. The value is set from messaging the tree with `convertValueToText`, which ultimately invokes `toString` on `value`. The foreground color is set based on the selection and the icon is set based on on leaf and expanded.

  Specified by:
    `getTreeCellRendererComponent` in interface `TreeCellRenderer`
  Returns:
    the `Component` that the renderer uses to draw the value

### paint

    public void paint(Graphics g)

  Paints the value. The background is filled based on selected.

  Overrides:
    `paint` in class `JComponent`
  Parameters:
    `g` - the `Graphics` context in which to paint
  See Also:
    `JComponent.paintComponent(java.awt.Graphics)`, `JComponent.paintBorder(java.awt.Graphics)`, `JComponent.paintChildren(java.awt.Graphics)`, `JComponent.getComponentGraphics(java.awt.Graphics)`, `JComponent.repaint(long, int, int, int, int)`

### getPreferredSize

    public Dimension getPreferredSize()

  Overrides `JComponent.getPreferredSize` to return slightly wider preferred size value.

  Overrides:
    `getPreferredSize` in class `JComponent`
  Returns:
    the value of the `preferredSize` property
  See Also:
    `JComponent.setPreferredSize(java.awt.Dimension)`, `ComponentUI`

### validate

    public void validate()

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `validate` in class `Container`
  See Also:
    `Container.add(java.awt.Component)`, `Component.invalidate()`, `JComponent.revalidate()`

### revalidate

    public void revalidate()

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `revalidate` in class `JComponent`
  See Also:
    `Component.invalidate()`, `Container.validate()`, `JComponent.isValidateRoot()`, `RepaintManager.addInvalidComponent(javax.swing.JComponent)`

### repaint

    public void repaint(long tm,
                        int x,
                        int y,
                        int width,
                        int height)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `repaint` in class `JComponent`
  Parameters:
    `tm` - this parameter is not used
    `x` - the x value of the dirty region
    `y` - the y value of the dirty region
    `width` - the width of the dirty region
    `height` - the height of the dirty region
  See Also:
    `Component.isShowing()`, `RepaintManager.addDirtyRegion(javax.swing.JComponent, int, int, int, int)`

### repaint

    public void repaint(Rectangle r)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `repaint` in class `JComponent`
  Parameters:
    `r` - a `Rectangle` containing the dirty region
  See Also:
    `Component.isShowing()`, `RepaintManager.addDirtyRegion(javax.swing.JComponent, int, int, int, int)`

### firePropertyChange

    protected void firePropertyChange(String propertyName,
                                      Object oldValue,
                                      Object newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as an Object)
    `newValue` - the new value of the property (as an Object)
  See Also:
    `PropertyChangeSupport`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   byte oldValue,
                                   byte newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a byte)
    `newValue` - the new value of the property (as a byte)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   char oldValue,
                                   char newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a char)
    `newValue` - the new value of the property (as a char)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   short oldValue,
                                   short newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a short)
    `newValue` - the old value of the property (as a short)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   int oldValue,
                                   int newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as an int)
    `newValue` - the new value of the property (as an int)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   long oldValue,
                                   long newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a long)
    `newValue` - the new value of the property (as a long)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   float oldValue,
                                   float newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a float)
    `newValue` - the new value of the property (as a float)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   double oldValue,
                                   double newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a double)
    `newValue` - the new value of the property (as a double)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

### firePropertyChange

    public void firePropertyChange(String propertyName,
                                   boolean oldValue,
                                   boolean newValue)

  Overridden for performance reasons. See the Implementation Note for more information.

  Overrides:
    `firePropertyChange` in class `JComponent`
  Parameters:
    `propertyName` - the programmatic name of the property that was changed
    `oldValue` - the old value of the property (as a boolean)
    `newValue` - the new value of the property (as a boolean)
  See Also:
    `JComponent.firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)`

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