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java.lang.Object
- java.awt.Component
- - java.awt.Container
  - - javax.swing.JComponent
    - - javax.swing.AbstractButton
      - javax.swing.JToggleButton
        
        javax.swing.JCheckBox

All Implemented Interfaces:

ImageObserver, ItemSelectable, MenuContainer, Serializable, Accessible, SwingConstants
```
public class JCheckBox
extends JToggleButton
implements Accessible
```
An implementation of a check box -- an item that can be selected or deselected, and which displays its state to the user. By convention, any number of check boxes in a group can be selected. See How to Use Buttons, Check Boxes, and Radio Buttons in The Java Tutorial for examples and information on using check boxes.
Buttons can be configured, and to some degree controlled, by Actions. Using an Action with a button has many benefits beyond directly configuring a button. Refer to Swing Components Supporting Action for more details, and you can find more information in How to Use Actions, a section in The Java Tutorial.
Warning: Swing is not thread safe. For more information see Swing's Threading Policy.
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 JavaBeans^TM has been added to the java.beans package. Please see XMLEncoder.

See Also:
JRadioButton

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

protected class JCheckBox.AccessibleJCheckBox
This class implements accessibility support for the JCheckBox class.

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- Nested classes/interfaces inherited from class javax.swing.JToggleButton
  JToggleButton.AccessibleJToggleButton, JToggleButton.ToggleButtonModel
- Nested classes/interfaces inherited from class javax.swing.AbstractButton
  AbstractButton.AccessibleAbstractButton, AbstractButton.ButtonChangeListener
- Nested classes/interfaces inherited from class javax.swing.JComponent
  JComponent.AccessibleJComponent
- Nested classes/interfaces inherited from class java.awt.Container
  Container.AccessibleAWTContainer
- Nested classes/interfaces inherited from class java.awt.Component
  Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields
Modifier and Type Field and Description

static String BORDER_PAINTED_FLAT_CHANGED_PROPERTY
Identifies a change to the flat property.

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- Fields inherited from class javax.swing.AbstractButton
  actionListener, BORDER_PAINTED_CHANGED_PROPERTY, changeEvent, changeListener, CONTENT_AREA_FILLED_CHANGED_PROPERTY, DISABLED_ICON_CHANGED_PROPERTY, DISABLED_SELECTED_ICON_CHANGED_PROPERTY, FOCUS_PAINTED_CHANGED_PROPERTY, HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY, HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY, ICON_CHANGED_PROPERTY, itemListener, MARGIN_CHANGED_PROPERTY, MNEMONIC_CHANGED_PROPERTY, model, MODEL_CHANGED_PROPERTY, PRESSED_ICON_CHANGED_PROPERTY, ROLLOVER_ENABLED_CHANGED_PROPERTY, ROLLOVER_ICON_CHANGED_PROPERTY, ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY, SELECTED_ICON_CHANGED_PROPERTY, TEXT_CHANGED_PROPERTY, VERTICAL_ALIGNMENT_CHANGED_PROPERTY, VERTICAL_TEXT_POSITION_CHANGED_PROPERTY
- 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

Constructors
Constructor and Description
`JCheckBox()` Creates an initially unselected check box button with no text, no icon.
`JCheckBox(Action a)` Creates a check box where properties are taken from the Action supplied.
`JCheckBox(Icon icon)` Creates an initially unselected check box with an icon.
`JCheckBox(Icon icon, boolean selected)` Creates a check box with an icon and specifies whether or not it is initially selected.
`JCheckBox(String text)` Creates an initially unselected check box with text.
`JCheckBox(String text, boolean selected)` Creates a check box with text and specifies whether or not it is initially selected.
`JCheckBox(String text, Icon icon)` Creates an initially unselected check box with the specified text and icon.
`JCheckBox(String text, Icon icon, boolean selected)` Creates a check box with text and icon, and specifies whether or not it is initially selected.

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Method Summary

Methods
Modifier and Type	Method and Description
`AccessibleContext`	`getAccessibleContext()` Gets the AccessibleContext associated with this JCheckBox.
`String`	`getUIClassID()` Returns a string that specifies the name of the L&F class that renders this component.
`boolean`	`isBorderPaintedFlat()` Gets the value of the `borderPaintedFlat` property.
`protected String`	`paramString()` Returns a string representation of this JCheckBox.
`void`	`setBorderPaintedFlat(boolean b)` Sets the `borderPaintedFlat` property, which gives a hint to the look and feel as to the appearance of the check box border.
`void`	`updateUI()` Resets the UI property to a value from the current look and feel.

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Methods inherited from class javax.swing.AbstractButton
actionPropertyChanged, addActionListener, addChangeListener, addImpl, addItemListener, checkHorizontalKey, checkVerticalKey, configurePropertiesFromAction, createActionListener, createActionPropertyChangeListener, createChangeListener, createItemListener, doClick, doClick, fireActionPerformed, fireItemStateChanged, fireStateChanged, getAction, getActionCommand, getActionListeners, getChangeListeners, getDisabledIcon, getDisabledSelectedIcon, getDisplayedMnemonicIndex, getHideActionText, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getItemListeners, getLabel, getMargin, getMnemonic, getModel, getMultiClickThreshhold, getPressedIcon, getRolloverIcon, getRolloverSelectedIcon, getSelectedIcon, getSelectedObjects, getText, getUI, getVerticalAlignment, getVerticalTextPosition, imageUpdate, init, isBorderPainted, isContentAreaFilled, isFocusPainted, isRolloverEnabled, isSelected, paintBorder, removeActionListener, removeChangeListener, removeItemListener, removeNotify, setAction, setActionCommand, setBorderPainted, setContentAreaFilled, setDisabledIcon, setDisabledSelectedIcon, setDisplayedMnemonicIndex, setEnabled, setFocusPainted, setHideActionText, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setIconTextGap, setLabel, setLayout, setMargin, setMnemonic, setMnemonic, setModel, setMultiClickThreshhold, setPressedIcon, setRolloverEnabled, setRolloverIcon, setRolloverSelectedIcon, setSelected, setSelectedIcon, setText, setUI, setVerticalAlignment, setVerticalTextPosition

Methods inherited from class javax.swing.JComponent
addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, 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, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, transferFocusDownCycle, validate, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, 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, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

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

- Field Detail
  - BORDER_PAINTED_FLAT_CHANGED_PROPERTY
```
public static final String BORDER_PAINTED_FLAT_CHANGED_PROPERTY
```
    Identifies a change to the flat property.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - JCheckBox
```
public JCheckBox()
```
    Creates an initially unselected check box button with no text, no icon.
  - JCheckBox
```
public JCheckBox(Icon icon)
```
    Creates an initially unselected check box with an icon.
    
    Parameters:
    icon - the Icon image to display
  - JCheckBox
```
public JCheckBox(Icon icon,
         boolean selected)
```
    Creates a check box with an icon and specifies whether or not it is initially selected.
    
    Parameters:
    icon - the Icon image to display
    selected - a boolean value indicating the initial selection state. If true the check box is selected
  - JCheckBox
```
public JCheckBox(String text)
```
    Creates an initially unselected check box with text.
    
    Parameters:
    text - the text of the check box.
  - JCheckBox
```
public JCheckBox(Action a)
```
    Creates a check box where properties are taken from the Action supplied.
    
    Since:
    
    1.3
  - JCheckBox
```
public JCheckBox(String text,
         boolean selected)
```
    Creates a check box with text and specifies whether or not it is initially selected.
    
    Parameters:
    text - the text of the check box.
    selected - a boolean value indicating the initial selection state. If true the check box is selected
  - JCheckBox
```
public JCheckBox(String text,
         Icon icon)
```
    Creates an initially unselected check box with the specified text and icon.
    
    Parameters:
    text - the text of the check box.
    icon - the Icon image to display
  - JCheckBox
```
public JCheckBox(String text,
         Icon icon,
         boolean selected)
```
    Creates a check box with text and icon, and specifies whether or not it is initially selected.
    
    Parameters:
    text - the text of the check box.
    icon - the Icon image to display
    selected - a boolean value indicating the initial selection state. If true the check box is selected
- Method Detail
  - setBorderPaintedFlat
```
public void setBorderPaintedFlat(boolean b)
```
    Sets the borderPaintedFlat property, which gives a hint to the look and feel as to the appearance of the check box border. This is usually set to true when a JCheckBox instance is used as a renderer in a component such as a JTable or JTree. The default value for the borderPaintedFlat property is false. This method fires a property changed event. Some look and feels might not implement flat borders; they will ignore this property.
    
    Parameters:
    b - true requests that the border be painted flat; false requests normal borders
    Since:
    
    1.3
    
    See Also:
    isBorderPaintedFlat()
  - isBorderPaintedFlat
```
public boolean isBorderPaintedFlat()
```
    Gets the value of the borderPaintedFlat property.
    
    Returns:
    the value of the borderPaintedFlat property
    Since:
    
    1.3
    
    See Also:
    setBorderPaintedFlat(boolean)
  - updateUI
```
public void updateUI()
```
    Resets the UI property to a value from the current look and feel.
    
    Overrides:
    
    updateUI in class JToggleButton
    
    See Also:
    JComponent.updateUI()
  - getUIClassID
```
public String getUIClassID()
```
    Returns a string that specifies the name of the L&F class that renders this component.
    
    Overrides:
    
    getUIClassID in class JToggleButton
    
    Returns:
    the string "CheckBoxUI"
    See Also:
    JComponent.getUIClassID(), UIDefaults.getUI(javax.swing.JComponent)
  - paramString
```
protected String paramString()
```
    Returns a string representation of this JCheckBox. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null. specific new aspects of the JFC components.
    
    Overrides:
    
    paramString in class JToggleButton
    
    Returns:
    a string representation of this JCheckBox.
  - getAccessibleContext
```
public AccessibleContext getAccessibleContext()
```
    Gets the AccessibleContext associated with this JCheckBox. For JCheckBoxes, the AccessibleContext takes the form of an AccessibleJCheckBox. A new AccessibleJCheckBox instance is created if necessary.
    
    Specified by:
    
    getAccessibleContext in interface Accessible
    
    Overrides:
    
    getAccessibleContext in class JToggleButton
    
    Returns:
    an AccessibleJCheckBox that serves as the AccessibleContext of this JCheckBox

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Vielen Dank im Voraus.

Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-javax/swing/jcheckbox.html

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Referenzen

Manuel PHP : https://docs.oracle.com

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Inhaltsverzeichnis Haut

Class JCheckBox

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JToggleButton

Nested classes/interfaces inherited from class javax.swing.AbstractButton

Nested classes/interfaces inherited from class javax.swing.JComponent

Nested classes/interfaces inherited from class java.awt.Container

Nested classes/interfaces inherited from class java.awt.Component

Field Summary

Fields inherited from class javax.swing.AbstractButton

Fields inherited from class javax.swing.JComponent

Fields inherited from class java.awt.Component

Fields inherited from interface javax.swing.SwingConstants

Fields inherited from interface java.awt.image.ImageObserver

Constructor Summary

Method Summary

Methods inherited from class javax.swing.AbstractButton

Methods inherited from class javax.swing.JComponent

Methods inherited from class java.awt.Container

Methods inherited from class java.awt.Component

Methods inherited from class java.lang.Object

Field Detail

BORDER_PAINTED_FLAT_CHANGED_PROPERTY

Constructor Detail

JCheckBox

JCheckBox

JCheckBox

JCheckBox

JCheckBox

JCheckBox

JCheckBox

JCheckBox

Method Detail

setBorderPaintedFlat

isBorderPaintedFlat

updateUI

getUIClassID

paramString

getAccessibleContext

Referenzen

In diesem Kapitel

Schlagwortwolke

Statistiken