- All Implemented Interfaces:
- ImageObserver,- MenuContainer,- Serializable,- Accessible,- RootPaneContainer,- WindowConstants
java.awt.Frame that adds support for
 the JFC/Swing component architecture.
 You can find task-oriented documentation about using JFrame
 in The Java Tutorial, in the section
 How to Make Frames.
 
 The JFrame class is slightly incompatible with Frame.
 Like all other JFC/Swing top-level containers,
 a JFrame contains a JRootPane as its only child.
 The content pane provided by the root pane should,
 as a rule, contain
 all the non-menu components displayed by the JFrame.
 This is different from the AWT Frame case.
 As a convenience, the add, remove, and setLayout
 methods of this class are overridden, so that they delegate calls
 to the corresponding methods of the ContentPane.
 For example, you can add a child component to a frame as follows:
 
       frame.add(child);
 
 And the child will be added to the contentPane.
 The content pane will
 always be non-null. Attempting to set it to null will cause the JFrame
 to throw an exception. The default content pane will have a BorderLayout
 manager set on it.
 Refer to RootPaneContainer
 for details on adding, removing and setting the LayoutManager
 of a JFrame.
 
 Unlike a Frame, a JFrame has some notion of how to
 respond when the user attempts to close the window. The default behavior
 is to simply hide the JFrame when the user closes the window. To change the
 default behavior, you invoke the method
 setDefaultCloseOperation(int).
 To make the JFrame behave the same as a Frame
 instance, use
 setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE).
 
For more information on content panes and other features that root panes provide, see Using Top-Level Containers in The Java Tutorial.
 In a multi-screen environment, you can create a JFrame
 on a different screen device.  See Frame for more
 information.
 
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
 has been added to the java.beans package.
 Please see XMLEncoder.
- Since:
- 1.2
- See Also:
- 
Nested Class SummaryNested ClassesModifier and TypeClassDescriptionprotected classThis class implements accessibility support for theJFrameclass.Nested classes/interfaces declared in class java.awt.FrameFrame.AccessibleAWTFrameNested classes/interfaces declared in class java.awt.WindowWindow.AccessibleAWTWindow, Window.TypeNested classes/interfaces declared in class java.awt.ContainerContainer.AccessibleAWTContainerNested classes/interfaces declared in class java.awt.ComponentComponent.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy
- 
Field SummaryFieldsModifier and TypeFieldDescriptionprotected AccessibleContextThe accessible context property.protected JRootPaneTheJRootPaneinstance that manages thecontentPaneand optionalmenuBarfor this frame, as well as theglassPane.protected booleanIf true then calls toaddandsetLayoutwill be forwarded to thecontentPane.Fields declared in class java.awt.FrameCROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSORFields declared in class java.awt.ComponentBOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENTFields declared in interface java.awt.image.ImageObserverABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTHFields declared in interface javax.swing.WindowConstantsDISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, EXIT_ON_CLOSE, HIDE_ON_CLOSE
- 
Constructor SummaryConstructorsConstructorDescriptionJFrame()Constructs a new frame that is initially invisible.Creates aFramein the specifiedGraphicsConfigurationof a screen device and a blank title.Creates a new, initially invisibleFramewith the specified title.JFrame(String title, GraphicsConfiguration gc) Creates aJFramewith the specified title and the specifiedGraphicsConfigurationof a screen device.
- 
Method SummaryModifier and TypeMethodDescriptionprotected voidAdds the specified childComponent.protected JRootPaneCalled by the constructor methods to create the defaultrootPane.protected voidCalled by the constructors to init theJFrameproperly.Gets the AccessibleContext associated with this JFrame.Returns thecontentPaneobject for this frame.intReturns the operation that occurs when the user initiates a "close" on this frame.Returns theglassPaneobject for this frame.Creates a graphics context for this component.Returns the menubar set on this frame.Returns thelayeredPaneobject for this frame.Returns therootPaneobject for this frame.Gets thetransferHandlerproperty.static booleanReturns true if newly createdJFrames should have their Window decorations provided by the current look and feel.protected booleanReturns whether calls toaddandsetLayoutare forwarded to thecontentPane.protected StringReturns a string representation of thisJFrame.protected voidProcesses window events occurring on this component.voidRemoves the specified component from the container.voidrepaint(long time, int x, int y, int width, int height) Repaints the specified rectangle of this component withintimemilliseconds.voidsetContentPane(Container contentPane) Sets thecontentPaneproperty.voidsetDefaultCloseOperation(int operation) Sets the operation that will happen by default when the user initiates a "close" on this frame.static voidsetDefaultLookAndFeelDecorated(boolean defaultLookAndFeelDecorated) Provides a hint as to whether or not newly createdJFrames should have their Window decorations (such as borders, widgets to close the window, title...) provided by the current look and feel.voidsetGlassPane(Component glassPane) Sets theglassPaneproperty.voidsetJMenuBar(JMenuBar menubar) Sets the menubar for this frame.voidsetLayeredPane(JLayeredPane layeredPane) Sets thelayeredPaneproperty.voidsetLayout(LayoutManager manager) Sets theLayoutManager.protected voidsetRootPane(JRootPane root) Sets therootPaneproperty.protected voidsetRootPaneCheckingEnabled(boolean enabled) Sets whether calls toaddandsetLayoutare forwarded to thecontentPane.voidsetTransferHandler(TransferHandler newHandler) Sets thetransferHandlerproperty, which is a mechanism to support transfer of data into this component.voidJust callspaint(g).Methods declared in class java.awt.FrameaddNotify, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setCursor, setExtendedState, setMaximizedBounds, setMenuBar, setResizable, setState, setTitle, setUndecoratedMethods declared in class java.awt.WindowaddPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBackground, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getIconImages, getInputContext, getListeners, getLocale, getModalExclusionType, getMostRecentFocusOwner, getOpacity, getOwnedWindows, getOwner, getOwnerlessWindows, getShape, getToolkit, getType, getWarningString, getWindowFocusListeners, getWindowListeners, getWindows, getWindowStateListeners, hide, isActive, isAlwaysOnTop, isAlwaysOnTopSupported, isAutoRequestFocus, isFocusableWindow, isFocusCycleRoot, isFocused, isLocationByPlatform, isOpaque, isShowing, isValidateRoot, pack, paint, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, reshape, setAlwaysOnTop, setAutoRequestFocus, setBackground, setBounds, setBounds, setCursor, setFocusableWindowState, setFocusCycleRoot, setIconImage, setIconImages, setLocation, setLocation, setLocationByPlatform, setLocationRelativeTo, setMinimumSize, setModalExclusionType, setOpacity, setShape, setSize, setSize, setType, setVisible, show, toBack, toFrontMethods declared in class java.awt.Containeradd, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, transferFocusDownCycle, validate, validateTreeMethods declared in class java.awt.Componentaction, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, requestFocusInWindow, resize, resize, revalidate, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setMaximumSize, setMixingCutoutShape, setName, setPreferredSize, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycleMethods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitMethods declared in interface java.awt.MenuContainergetFont, postEvent
- 
Field Details- 
rootPaneTheJRootPaneinstance that manages thecontentPaneand optionalmenuBarfor this frame, as well as theglassPane.- See Also:
 
- 
rootPaneCheckingEnabledprotected boolean rootPaneCheckingEnabledIf true then calls toaddandsetLayoutwill be forwarded to thecontentPane. This is initially false, but is set to true when theJFrameis constructed.- See Also:
 
- 
accessibleContextThe accessible context property.
 
- 
- 
Constructor Details- 
JFrameConstructs a new frame that is initially invisible.This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale.- Throws:
- HeadlessException- if GraphicsEnvironment.isHeadless() returns true.
- See Also:
 
- 
JFrameCreates aFramein the specifiedGraphicsConfigurationof a screen device and a blank title.This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale.- Parameters:
- gc- the- GraphicsConfigurationthat is used to construct the new- Frame; if- gcis- null, the system default- GraphicsConfigurationis assumed
- Throws:
- IllegalArgumentException- if- gcis not from a screen device. This exception is always thrown when GraphicsEnvironment.isHeadless() returns true.
- Since:
- 1.3
- See Also:
 
- 
JFrameCreates a new, initially invisibleFramewith the specified title.This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale.- Parameters:
- title- the title for the frame
- Throws:
- HeadlessException- if GraphicsEnvironment.isHeadless() returns true.
- See Also:
 
- 
JFrameCreates aJFramewith the specified title and the specifiedGraphicsConfigurationof a screen device.This constructor sets the component's locale property to the value returned by JComponent.getDefaultLocale.- Parameters:
- title- the title to be displayed in the frame's border. A- nullvalue is treated as an empty string, "".
- gc- the- GraphicsConfigurationthat is used to construct the new- JFramewith; if- gcis- null, the system default- GraphicsConfigurationis assumed
- Throws:
- IllegalArgumentException- if- gcis not from a screen device. This exception is always thrown when GraphicsEnvironment.isHeadless() returns true.
- Since:
- 1.3
- See Also:
 
 
- 
- 
Method Details- 
frameInitprotected void frameInit()Called by the constructors to init theJFrameproperly.
- 
createRootPaneCalled by the constructor methods to create the defaultrootPane.- Returns:
- a new JRootPane
 
- 
processWindowEventProcesses window events occurring on this component. Hides the window or disposes of it, as specified by the setting of thedefaultCloseOperationproperty.- Overrides:
- processWindowEventin class- Window
- Parameters:
- e- the window event
- See Also:
 
- 
setDefaultCloseOperation@BeanProperty(preferred=true, enumerationValues={"WindowConstants.DO_NOTHING_ON_CLOSE","WindowConstants.HIDE_ON_CLOSE","WindowConstants.DISPOSE_ON_CLOSE","WindowConstants.EXIT_ON_CLOSE"}, description="The frame\'s default close operation.") public void setDefaultCloseOperation(int operation) Sets the operation that will happen by default when the user initiates a "close" on this frame. You must specify one of the following choices:
 - DO_NOTHING_ON_CLOSE(defined in- WindowConstants): Don't do anything; require the program to handle the operation in the- windowClosingmethod of a registered- WindowListenerobject.
- HIDE_ON_CLOSE(defined in- WindowConstants): Automatically hide the frame after invoking any registered- WindowListenerobjects.
- DISPOSE_ON_CLOSE(defined in- WindowConstants): Automatically hide and dispose the frame after invoking any registered- WindowListenerobjects.
- EXIT_ON_CLOSE(defined in- WindowConstants): Exit the application using the- System- exitmethod. Use this only in applications.
 The value is set to HIDE_ON_CLOSEby default. Changes to the value of this property cause the firing of a property change event, with property name "defaultCloseOperation".Note: When the last displayable window within the Java virtual machine (VM) is disposed of, the VM may terminate. See AWT Threading Issues for more information. - Parameters:
- operation- the operation which should be performed when the user closes the frame
- Throws:
- IllegalArgumentException- if defaultCloseOperation value isn't one of the above valid values
- SecurityException- if- EXIT_ON_CLOSEhas been specified and the- SecurityManagerwill not allow the caller to invoke- System.exit
- See Also:
 
- 
getDefaultCloseOperationpublic int getDefaultCloseOperation()Returns the operation that occurs when the user initiates a "close" on this frame.- Returns:
- an integer indicating the window-close operation
- See Also:
 
- 
setTransferHandler@BeanProperty(hidden=true, description="Mechanism for transfer of data into the component") public void setTransferHandler(TransferHandler newHandler) Sets thetransferHandlerproperty, which is a mechanism to support transfer of data into this component. Usenullif the component does not support data transfer operations.If the system property suppressSwingDropSupportisfalse(the default) and the current drop target on this component is eithernullor not a user-set drop target, this method will change the drop target as follows: IfnewHandlerisnullit will clear the drop target. If notnullit will install a newDropTarget.Note: When used with JFrame,TransferHandleronly provides data import capability, as the data export related methods are currently typed toJComponent.Please see How to Use Drag and Drop and Data Transfer, a section in The Java Tutorial, for more information. - Parameters:
- newHandler- the new- TransferHandler
- Since:
- 1.6
- See Also:
 
- 
getTransferHandlerGets thetransferHandlerproperty.- Returns:
- the value of the transferHandlerproperty
- Since:
- 1.6
- See Also:
 
- 
updateJust callspaint(g). This method was overridden to prevent an unnecessary call to clear the background.
- 
setJMenuBar@BeanProperty(bound=false, hidden=true, description="The menubar for accessing pulldown menus from this frame.") public void setJMenuBar(JMenuBar menubar) Sets the menubar for this frame.- Parameters:
- menubar- the menubar being placed in the frame
- See Also:
 
- 
getJMenuBarReturns the menubar set on this frame.- Returns:
- the menubar for this frame
- See Also:
 
- 
isRootPaneCheckingEnabledprotected boolean isRootPaneCheckingEnabled()Returns whether calls toaddandsetLayoutare forwarded to thecontentPane.- Returns:
- true if addandsetLayoutare forwarded; false otherwise
- See Also:
 
- 
setRootPaneCheckingEnabled@BeanProperty(hidden=true, description="Whether the add and setLayout methods are forwarded") protected void setRootPaneCheckingEnabled(boolean enabled) Sets whether calls toaddandsetLayoutare forwarded to thecontentPane.- Parameters:
- enabled- true if- addand- setLayoutare forwarded, false if they should operate directly on the- JFrame.
- See Also:
 
- 
addImplAdds the specified childComponent. This method is overridden to conditionally forward calls to thecontentPane. By default, children are added to thecontentPaneinstead of the frame, refer toRootPaneContainerfor details.- Overrides:
- addImplin class- Container
- Parameters:
- comp- the component to be enhanced
- constraints- the constraints to be respected
- index- the index
- Throws:
- IllegalArgumentException- if- indexis invalid
- IllegalArgumentException- if adding the container's parent to itself
- IllegalArgumentException- if adding a window to a container
- See Also:
 
- 
removeRemoves the specified component from the container. Ifcompis not therootPane, this will forward the call to thecontentPane. This will do nothing ifcompis not a child of theJFrameorcontentPane.- Overrides:
- removein class- Container
- Parameters:
- comp- the component to be removed
- Throws:
- NullPointerException- if- compis null
- See Also:
 
- 
setLayoutSets theLayoutManager. Overridden to conditionally forward the call to thecontentPane. Refer toRootPaneContainerfor more information.
- 
getRootPane@BeanProperty(bound=false, hidden=true, description="the RootPane object for this frame.") public JRootPane getRootPane()Returns therootPaneobject for this frame.- Specified by:
- getRootPanein interface- RootPaneContainer
- Returns:
- the rootPaneproperty
- See Also:
 
- 
setRootPaneSets therootPaneproperty. This method is called by the constructor.- Parameters:
- root- the- rootPaneobject for this frame
- See Also:
 
- 
getContentPaneReturns thecontentPaneobject for this frame.- Specified by:
- getContentPanein interface- RootPaneContainer
- Returns:
- the contentPaneproperty
- See Also:
 
- 
setContentPane@BeanProperty(bound=false, hidden=true, description="The client area of the frame where child components are normally inserted.") public void setContentPane(Container contentPane) Sets thecontentPaneproperty. This method is called by the constructor.Swing's painting architecture requires an opaque JComponentin the containment hierarchy. This is typically provided by the content pane. If you replace the content pane it is recommended you replace it with an opaqueJComponent.- Specified by:
- setContentPanein interface- RootPaneContainer
- Parameters:
- contentPane- the- contentPaneobject for this frame
- Throws:
- IllegalComponentStateException- (a runtime exception) if the content pane parameter is- null
- See Also:
 
- 
getLayeredPaneReturns thelayeredPaneobject for this frame.- Specified by:
- getLayeredPanein interface- RootPaneContainer
- Returns:
- the layeredPaneproperty
- See Also:
 
- 
setLayeredPane@BeanProperty(bound=false, hidden=true, description="The pane that holds the various frame layers.") public void setLayeredPane(JLayeredPane layeredPane) Sets thelayeredPaneproperty. This method is called by the constructor.- Specified by:
- setLayeredPanein interface- RootPaneContainer
- Parameters:
- layeredPane- the- layeredPaneobject for this frame
- Throws:
- IllegalComponentStateException- (a runtime exception) if the layered pane parameter is- null
- See Also:
 
- 
getGlassPaneReturns theglassPaneobject for this frame.- Specified by:
- getGlassPanein interface- RootPaneContainer
- Returns:
- the glassPaneproperty
- See Also:
 
- 
setGlassPane@BeanProperty(bound=false, hidden=true, description="A transparent pane used for menu rendering.") public void setGlassPane(Component glassPane) Sets theglassPaneproperty. This method is called by the constructor.- Specified by:
- setGlassPanein interface- RootPaneContainer
- Parameters:
- glassPane- the- glassPaneobject for this frame
- See Also:
 
- 
getGraphicsCreates a graphics context for this component. This method will returnnullif this component is currently not displayable.- Overrides:
- getGraphicsin class- Component
- Returns:
- a graphics context for this component, or nullif it has none
- Since:
- 1.6
- See Also:
 
- 
repaintpublic void repaint(long time, int x, int y, int width, int height) Repaints the specified rectangle of this component withintimemilliseconds. Refer toRepaintManagerfor details on how the repaint is handled.
- 
setDefaultLookAndFeelDecoratedpublic static void setDefaultLookAndFeelDecorated(boolean defaultLookAndFeelDecorated) Provides a hint as to whether or not newly createdJFrames should have their Window decorations (such as borders, widgets to close the window, title...) provided by the current look and feel. IfdefaultLookAndFeelDecoratedis true, the currentLookAndFeelsupports providing window decorations, and the current window manager supports undecorated windows, then newly createdJFrames will have their Window decorations provided by the currentLookAndFeel. Otherwise, newly createdJFrames will have their Window decorations provided by the current window manager.You can get the same effect on a single JFrame by doing the following: JFrame frame = new JFrame(); frame.setUndecorated(true); frame.getRootPane().setWindowDecorationStyle(JRootPane.FRAME);- Parameters:
- defaultLookAndFeelDecorated- A hint as to whether or not current look and feel should provide window decorations
- Since:
- 1.4
- See Also:
 
- 
isDefaultLookAndFeelDecoratedpublic static boolean isDefaultLookAndFeelDecorated()Returns true if newly createdJFrames should have their Window decorations provided by the current look and feel. This is only a hint, as certain look and feels may not support this feature.- Returns:
- true if look and feel should provide Window decorations.
- Since:
- 1.4
 
- 
paramStringReturns a string representation of thisJFrame. 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 benull.- Overrides:
- paramStringin class- Frame
- Returns:
- a string representation of this JFrame
 
- 
getAccessibleContextGets the AccessibleContext associated with this JFrame. For JFrames, the AccessibleContext takes the form of an AccessibleJFrame. A new AccessibleJFrame instance is created if necessary.- Specified by:
- getAccessibleContextin interface- Accessible
- Overrides:
- getAccessibleContextin class- Frame
- Returns:
- an AccessibleJFrame that serves as the AccessibleContext of this JFrame
 
 
-