Component (Java Platform SE 7 ) (original) (raw)
Modifier and Type
Method and Description
boolean
**[action](../../java/awt/Component.html#action%28java.awt.Event,%20java.lang.Object%29)**([Event](../../java/awt/Event.html "class in java.awt") evt,[Object](../../java/lang/Object.html "class in java.lang") what)
Deprecated.
As of JDK version 1.1, should register this component as ActionListener on component which fires action events.
void
**[add](../../java/awt/Component.html#add%28java.awt.PopupMenu%29)**([PopupMenu](../../java/awt/PopupMenu.html "class in java.awt") popup)
Adds the specified popup menu to the component.
void
**[addComponentListener](../../java/awt/Component.html#addComponentListener%28java.awt.event.ComponentListener%29)**([ComponentListener](../../java/awt/event/ComponentListener.html "interface in java.awt.event") l)
Adds the specified component listener to receive component events from this component.
void
**[addFocusListener](../../java/awt/Component.html#addFocusListener%28java.awt.event.FocusListener%29)**([FocusListener](../../java/awt/event/FocusListener.html "interface in java.awt.event") l)
Adds the specified focus listener to receive focus events from this component when this component gains input focus.
void
**[addHierarchyBoundsListener](../../java/awt/Component.html#addHierarchyBoundsListener%28java.awt.event.HierarchyBoundsListener%29)**([HierarchyBoundsListener](../../java/awt/event/HierarchyBoundsListener.html "interface in java.awt.event") l)
Adds the specified hierarchy bounds listener to receive hierarchy bounds events from this component when the hierarchy to which this container belongs changes.
void
**[addHierarchyListener](../../java/awt/Component.html#addHierarchyListener%28java.awt.event.HierarchyListener%29)**([HierarchyListener](../../java/awt/event/HierarchyListener.html "interface in java.awt.event") l)
Adds the specified hierarchy listener to receive hierarchy changed events from this component when the hierarchy to which this container belongs changes.
void
**[addInputMethodListener](../../java/awt/Component.html#addInputMethodListener%28java.awt.event.InputMethodListener%29)**([InputMethodListener](../../java/awt/event/InputMethodListener.html "interface in java.awt.event") l)
Adds the specified input method listener to receive input method events from this component.
void
**[addKeyListener](../../java/awt/Component.html#addKeyListener%28java.awt.event.KeyListener%29)**([KeyListener](../../java/awt/event/KeyListener.html "interface in java.awt.event") l)
Adds the specified key listener to receive key events from this component.
void
**[addMouseListener](../../java/awt/Component.html#addMouseListener%28java.awt.event.MouseListener%29)**([MouseListener](../../java/awt/event/MouseListener.html "interface in java.awt.event") l)
Adds the specified mouse listener to receive mouse events from this component.
void
**[addMouseMotionListener](../../java/awt/Component.html#addMouseMotionListener%28java.awt.event.MouseMotionListener%29)**([MouseMotionListener](../../java/awt/event/MouseMotionListener.html "interface in java.awt.event") l)
Adds the specified mouse motion listener to receive mouse motion events from this component.
void
**[addMouseWheelListener](../../java/awt/Component.html#addMouseWheelListener%28java.awt.event.MouseWheelListener%29)**([MouseWheelListener](../../java/awt/event/MouseWheelListener.html "interface in java.awt.event") l)
Adds the specified mouse wheel listener to receive mouse wheel events from this component.
void
**[addNotify](../../java/awt/Component.html#addNotify%28%29)**()
Makes this Component displayable by connecting it to a native screen resource.
void
**[addPropertyChangeListener](../../java/awt/Component.html#addPropertyChangeListener%28java.beans.PropertyChangeListener%29)**([PropertyChangeListener](../../java/beans/PropertyChangeListener.html "interface in java.beans") listener)
Adds a PropertyChangeListener to the listener list.
void
**[addPropertyChangeListener](../../java/awt/Component.html#addPropertyChangeListener%28java.lang.String,%20java.beans.PropertyChangeListener%29)**([String](../../java/lang/String.html "class in java.lang") propertyName,[PropertyChangeListener](../../java/beans/PropertyChangeListener.html "interface in java.beans") listener)
Adds a PropertyChangeListener to the listener list for a specific property.
void
**[applyComponentOrientation](../../java/awt/Component.html#applyComponentOrientation%28java.awt.ComponentOrientation%29)**([ComponentOrientation](../../java/awt/ComponentOrientation.html "class in java.awt") orientation)
Sets the ComponentOrientation property of this component and all components contained within it.
boolean
**[areFocusTraversalKeysSet](../../java/awt/Component.html#areFocusTraversalKeysSet%28int%29)**(int id)
Returns whether the Set of focus traversal keys for the given focus traversal operation has been explicitly defined for this Component.
[Rectangle](../../java/awt/Rectangle.html "class in java.awt")
**[bounds](../../java/awt/Component.html#bounds%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by getBounds().
int
**[checkImage](../../java/awt/Component.html#checkImage%28java.awt.Image,%20java.awt.image.ImageObserver%29)**([Image](../../java/awt/Image.html "class in java.awt") image,[ImageObserver](../../java/awt/image/ImageObserver.html "interface in java.awt.image") observer)
Returns the status of the construction of a screen representation of the specified image.
int
**[checkImage](../../java/awt/Component.html#checkImage%28java.awt.Image,%20int,%20int,%20java.awt.image.ImageObserver%29)**([Image](../../java/awt/Image.html "class in java.awt") image, int width, int height,[ImageObserver](../../java/awt/image/ImageObserver.html "interface in java.awt.image") observer)
Returns the status of the construction of a screen representation of the specified image.
protected [AWTEvent](../../java/awt/AWTEvent.html "class in java.awt")
**[coalesceEvents](../../java/awt/Component.html#coalesceEvents%28java.awt.AWTEvent,%20java.awt.AWTEvent%29)**([AWTEvent](../../java/awt/AWTEvent.html "class in java.awt") existingEvent,[AWTEvent](../../java/awt/AWTEvent.html "class in java.awt") newEvent)
Potentially coalesce an event being posted with an existing event.
boolean
**[contains](../../java/awt/Component.html#contains%28int,%20int%29)**(int x, int y)
Checks whether this component "contains" the specified point, where x and y are defined to be relative to the coordinate system of this component.
boolean
**[contains](../../java/awt/Component.html#contains%28java.awt.Point%29)**([Point](../../java/awt/Point.html "class in java.awt") p)
Checks whether this component "contains" the specified point, where the point's x and y coordinates are defined to be relative to the coordinate system of this component.
[Image](../../java/awt/Image.html "class in java.awt")
**[createImage](../../java/awt/Component.html#createImage%28java.awt.image.ImageProducer%29)**([ImageProducer](../../java/awt/image/ImageProducer.html "interface in java.awt.image") producer)
Creates an image from the specified image producer.
[Image](../../java/awt/Image.html "class in java.awt")
**[createImage](../../java/awt/Component.html#createImage%28int,%20int%29)**(int width, int height)
Creates an off-screen drawable image to be used for double buffering.
[VolatileImage](../../java/awt/image/VolatileImage.html "class in java.awt.image")
**[createVolatileImage](../../java/awt/Component.html#createVolatileImage%28int,%20int%29)**(int width, int height)
Creates a volatile off-screen drawable image to be used for double buffering.
[VolatileImage](../../java/awt/image/VolatileImage.html "class in java.awt.image")
**[createVolatileImage](../../java/awt/Component.html#createVolatileImage%28int,%20int,%20java.awt.ImageCapabilities%29)**(int width, int height,[ImageCapabilities](../../java/awt/ImageCapabilities.html "class in java.awt") caps)
Creates a volatile off-screen drawable image, with the given capabilities.
void
**[deliverEvent](../../java/awt/Component.html#deliverEvent%28java.awt.Event%29)**([Event](../../java/awt/Event.html "class in java.awt") e)
Deprecated.
As of JDK version 1.1, replaced by dispatchEvent(AWTEvent e).
void
**[disable](../../java/awt/Component.html#disable%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by setEnabled(boolean).
protected void
**[disableEvents](../../java/awt/Component.html#disableEvents%28long%29)**(long eventsToDisable)
Disables the events defined by the specified event mask parameter from being delivered to this component.
void
**[dispatchEvent](../../java/awt/Component.html#dispatchEvent%28java.awt.AWTEvent%29)**([AWTEvent](../../java/awt/AWTEvent.html "class in java.awt") e)
Dispatches an event to this component or one of its sub components.
void
**[doLayout](../../java/awt/Component.html#doLayout%28%29)**()
Prompts the layout manager to lay out this component.
void
**[enable](../../java/awt/Component.html#enable%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by setEnabled(boolean).
void
**[enable](../../java/awt/Component.html#enable%28boolean%29)**(boolean b)
Deprecated.
As of JDK version 1.1, replaced by setEnabled(boolean).
protected void
**[enableEvents](../../java/awt/Component.html#enableEvents%28long%29)**(long eventsToEnable)
Enables the events defined by the specified event mask parameter to be delivered to this component.
void
**[enableInputMethods](../../java/awt/Component.html#enableInputMethods%28boolean%29)**(boolean enable)
Enables or disables input method support for this component.
protected void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20boolean,%20boolean%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, boolean oldValue, boolean newValue)
Support for reporting bound property changes for boolean properties.
void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20byte,%20byte%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, byte oldValue, byte newValue)
Reports a bound property change.
void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20char,%20char%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, char oldValue, char newValue)
Reports a bound property change.
void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20double,%20double%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, double oldValue, double newValue)
Reports a bound property change.
void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20float,%20float%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, float oldValue, float newValue)
Reports a bound property change.
protected void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20int,%20int%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, int oldValue, int newValue)
Support for reporting bound property changes for integer properties.
void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20long,%20long%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, long oldValue, long newValue)
Reports a bound property change.
protected void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20java.lang.Object,%20java.lang.Object%29)**([String](../../java/lang/String.html "class in java.lang") propertyName,[Object](../../java/lang/Object.html "class in java.lang") oldValue,[Object](../../java/lang/Object.html "class in java.lang") newValue)
Support for reporting bound property changes for Object properties.
void
**[firePropertyChange](../../java/awt/Component.html#firePropertyChange%28java.lang.String,%20short,%20short%29)**([String](../../java/lang/String.html "class in java.lang") propertyName, short oldValue, short newValue)
Reports a bound property change.
[AccessibleContext](../../javax/accessibility/AccessibleContext.html "class in javax.accessibility")
**[getAccessibleContext](../../java/awt/Component.html#getAccessibleContext%28%29)**()
Gets the AccessibleContext associated with this Component.
float
**[getAlignmentX](../../java/awt/Component.html#getAlignmentX%28%29)**()
Returns the alignment along the x axis.
float
**[getAlignmentY](../../java/awt/Component.html#getAlignmentY%28%29)**()
Returns the alignment along the y axis.
[Color](../../java/awt/Color.html "class in java.awt")
**[getBackground](../../java/awt/Component.html#getBackground%28%29)**()
Gets the background color of this component.
int
**[getBaseline](../../java/awt/Component.html#getBaseline%28int,%20int%29)**(int width, int height)
Returns the baseline.
[Component.BaselineResizeBehavior](../../java/awt/Component.BaselineResizeBehavior.html "enum in java.awt")
**[getBaselineResizeBehavior](../../java/awt/Component.html#getBaselineResizeBehavior%28%29)**()
Returns an enum indicating how the baseline of the component changes as the size changes.
[Rectangle](../../java/awt/Rectangle.html "class in java.awt")
**[getBounds](../../java/awt/Component.html#getBounds%28%29)**()
Gets the bounds of this component in the form of aRectangle object.
[Rectangle](../../java/awt/Rectangle.html "class in java.awt")
**[getBounds](../../java/awt/Component.html#getBounds%28java.awt.Rectangle%29)**([Rectangle](../../java/awt/Rectangle.html "class in java.awt") rv)
Stores the bounds of this component into "return value" rv and return rv.
[ColorModel](../../java/awt/image/ColorModel.html "class in java.awt.image")
**[getColorModel](../../java/awt/Component.html#getColorModel%28%29)**()
Gets the instance of ColorModel used to display the component on the output device.
[Component](../../java/awt/Component.html "class in java.awt")
**[getComponentAt](../../java/awt/Component.html#getComponentAt%28int,%20int%29)**(int x, int y)
Determines if this component or one of its immediate subcomponents contains the (x, y) location, and if so, returns the containing component.
[Component](../../java/awt/Component.html "class in java.awt")
**[getComponentAt](../../java/awt/Component.html#getComponentAt%28java.awt.Point%29)**([Point](../../java/awt/Point.html "class in java.awt") p)
Returns the component or subcomponent that contains the specified point.
[ComponentListener](../../java/awt/event/ComponentListener.html "interface in java.awt.event")[]
**[getComponentListeners](../../java/awt/Component.html#getComponentListeners%28%29)**()
Returns an array of all the component listeners registered on this component.
[ComponentOrientation](../../java/awt/ComponentOrientation.html "class in java.awt")
**[getComponentOrientation](../../java/awt/Component.html#getComponentOrientation%28%29)**()
Retrieves the language-sensitive orientation that is to be used to order the elements or text within this component.
[Cursor](../../java/awt/Cursor.html "class in java.awt")
**[getCursor](../../java/awt/Component.html#getCursor%28%29)**()
Gets the cursor set in the component.
[DropTarget](../../java/awt/dnd/DropTarget.html "class in java.awt.dnd")
**[getDropTarget](../../java/awt/Component.html#getDropTarget%28%29)**()
Gets the DropTarget associated with thisComponent.
[Container](../../java/awt/Container.html "class in java.awt")
**[getFocusCycleRootAncestor](../../java/awt/Component.html#getFocusCycleRootAncestor%28%29)**()
Returns the Container which is the focus cycle root of this Component's focus traversal cycle.
[FocusListener](../../java/awt/event/FocusListener.html "interface in java.awt.event")[]
**[getFocusListeners](../../java/awt/Component.html#getFocusListeners%28%29)**()
Returns an array of all the focus listeners registered on this component.
[Set](../../java/util/Set.html "interface in java.util")<[AWTKeyStroke](../../java/awt/AWTKeyStroke.html "class in java.awt")>
**[getFocusTraversalKeys](../../java/awt/Component.html#getFocusTraversalKeys%28int%29)**(int id)
Returns the Set of focus traversal keys for a given traversal operation for this Component.
boolean
**[getFocusTraversalKeysEnabled](../../java/awt/Component.html#getFocusTraversalKeysEnabled%28%29)**()
Returns whether focus traversal keys are enabled for this Component.
[Font](../../java/awt/Font.html "class in java.awt")
**[getFont](../../java/awt/Component.html#getFont%28%29)**()
Gets the font of this component.
[FontMetrics](../../java/awt/FontMetrics.html "class in java.awt")
**[getFontMetrics](../../java/awt/Component.html#getFontMetrics%28java.awt.Font%29)**([Font](../../java/awt/Font.html "class in java.awt") font)
Gets the font metrics for the specified font.
[Color](../../java/awt/Color.html "class in java.awt")
**[getForeground](../../java/awt/Component.html#getForeground%28%29)**()
Gets the foreground color of this component.
[Graphics](../../java/awt/Graphics.html "class in java.awt")
**[getGraphics](../../java/awt/Component.html#getGraphics%28%29)**()
Creates a graphics context for this component.
[GraphicsConfiguration](../../java/awt/GraphicsConfiguration.html "class in java.awt")
**[getGraphicsConfiguration](../../java/awt/Component.html#getGraphicsConfiguration%28%29)**()
Gets the GraphicsConfiguration associated with thisComponent.
int
**[getHeight](../../java/awt/Component.html#getHeight%28%29)**()
Returns the current height of this component.
[HierarchyBoundsListener](../../java/awt/event/HierarchyBoundsListener.html "interface in java.awt.event")[]
**[getHierarchyBoundsListeners](../../java/awt/Component.html#getHierarchyBoundsListeners%28%29)**()
Returns an array of all the hierarchy bounds listeners registered on this component.
[HierarchyListener](../../java/awt/event/HierarchyListener.html "interface in java.awt.event")[]
**[getHierarchyListeners](../../java/awt/Component.html#getHierarchyListeners%28%29)**()
Returns an array of all the hierarchy listeners registered on this component.
boolean
**[getIgnoreRepaint](../../java/awt/Component.html#getIgnoreRepaint%28%29)**()
[InputContext](../../java/awt/im/InputContext.html "class in java.awt.im")
**[getInputContext](../../java/awt/Component.html#getInputContext%28%29)**()
Gets the input context used by this component for handling the communication with input methods when text is entered in this component.
[InputMethodListener](../../java/awt/event/InputMethodListener.html "interface in java.awt.event")[]
**[getInputMethodListeners](../../java/awt/Component.html#getInputMethodListeners%28%29)**()
Returns an array of all the input method listeners registered on this component.
[InputMethodRequests](../../java/awt/im/InputMethodRequests.html "interface in java.awt.im")
**[getInputMethodRequests](../../java/awt/Component.html#getInputMethodRequests%28%29)**()
Gets the input method request handler which supports requests from input methods for this component.
[KeyListener](../../java/awt/event/KeyListener.html "interface in java.awt.event")[]
**[getKeyListeners](../../java/awt/Component.html#getKeyListeners%28%29)**()
Returns an array of all the key listeners registered on this component.
<T extends [EventListener](../../java/util/EventListener.html "interface in java.util")> T[]
**[getListeners](../../java/awt/Component.html#getListeners%28java.lang.Class%29)**([Class](../../java/lang/Class.html "class in java.lang")<T> listenerType)
Returns an array of all the objects currently registered as _Foo_Listeners upon this Component.
[Locale](../../java/util/Locale.html "class in java.util")
**[getLocale](../../java/awt/Component.html#getLocale%28%29)**()
Gets the locale of this component.
[Point](../../java/awt/Point.html "class in java.awt")
**[getLocation](../../java/awt/Component.html#getLocation%28%29)**()
Gets the location of this component in the form of a point specifying the component's top-left corner.
[Point](../../java/awt/Point.html "class in java.awt")
**[getLocation](../../java/awt/Component.html#getLocation%28java.awt.Point%29)**([Point](../../java/awt/Point.html "class in java.awt") rv)
Stores the x,y origin of this component into "return value" rv and return rv.
[Point](../../java/awt/Point.html "class in java.awt")
**[getLocationOnScreen](../../java/awt/Component.html#getLocationOnScreen%28%29)**()
Gets the location of this component in the form of a point specifying the component's top-left corner in the screen's coordinate space.
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[getMaximumSize](../../java/awt/Component.html#getMaximumSize%28%29)**()
Gets the maximum size of this component.
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[getMinimumSize](../../java/awt/Component.html#getMinimumSize%28%29)**()
Gets the mininimum size of this component.
[MouseListener](../../java/awt/event/MouseListener.html "interface in java.awt.event")[]
**[getMouseListeners](../../java/awt/Component.html#getMouseListeners%28%29)**()
Returns an array of all the mouse listeners registered on this component.
[MouseMotionListener](../../java/awt/event/MouseMotionListener.html "interface in java.awt.event")[]
**[getMouseMotionListeners](../../java/awt/Component.html#getMouseMotionListeners%28%29)**()
Returns an array of all the mouse motion listeners registered on this component.
[Point](../../java/awt/Point.html "class in java.awt")
**[getMousePosition](../../java/awt/Component.html#getMousePosition%28%29)**()
Returns the position of the mouse pointer in this Component's coordinate space if the Component is directly under the mouse pointer, otherwise returns null.
[MouseWheelListener](../../java/awt/event/MouseWheelListener.html "interface in java.awt.event")[]
**[getMouseWheelListeners](../../java/awt/Component.html#getMouseWheelListeners%28%29)**()
Returns an array of all the mouse wheel listeners registered on this component.
[String](../../java/lang/String.html "class in java.lang")
**[getName](../../java/awt/Component.html#getName%28%29)**()
Gets the name of the component.
[Container](../../java/awt/Container.html "class in java.awt")
**[getParent](../../java/awt/Component.html#getParent%28%29)**()
Gets the parent of this component.
java.awt.peer.ComponentPeer
**[getPeer](../../java/awt/Component.html#getPeer%28%29)**()
Deprecated.
As of JDK version 1.1, programs should not directly manipulate peers; replaced by boolean isDisplayable().
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[getPreferredSize](../../java/awt/Component.html#getPreferredSize%28%29)**()
Gets the preferred size of this component.
[PropertyChangeListener](../../java/beans/PropertyChangeListener.html "interface in java.beans")[]
**[getPropertyChangeListeners](../../java/awt/Component.html#getPropertyChangeListeners%28%29)**()
Returns an array of all the property change listeners registered on this component.
[PropertyChangeListener](../../java/beans/PropertyChangeListener.html "interface in java.beans")[]
**[getPropertyChangeListeners](../../java/awt/Component.html#getPropertyChangeListeners%28java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") propertyName)
Returns an array of all the listeners which have been associated with the named property.
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[getSize](../../java/awt/Component.html#getSize%28%29)**()
Returns the size of this component in the form of aDimension object.
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[getSize](../../java/awt/Component.html#getSize%28java.awt.Dimension%29)**([Dimension](../../java/awt/Dimension.html "class in java.awt") rv)
Stores the width/height of this component into "return value" rv and return rv.
[Toolkit](../../java/awt/Toolkit.html "class in java.awt")
**[getToolkit](../../java/awt/Component.html#getToolkit%28%29)**()
Gets the toolkit of this component.
[Object](../../java/lang/Object.html "class in java.lang")
**[getTreeLock](../../java/awt/Component.html#getTreeLock%28%29)**()
Gets this component's locking object (the object that owns the thread synchronization monitor) for AWT component-tree and layout operations.
int
**[getWidth](../../java/awt/Component.html#getWidth%28%29)**()
Returns the current width of this component.
int
**[getX](../../java/awt/Component.html#getX%28%29)**()
Returns the current x coordinate of the components origin.
int
**[getY](../../java/awt/Component.html#getY%28%29)**()
Returns the current y coordinate of the components origin.
boolean
**[gotFocus](../../java/awt/Component.html#gotFocus%28java.awt.Event,%20java.lang.Object%29)**([Event](../../java/awt/Event.html "class in java.awt") evt,[Object](../../java/lang/Object.html "class in java.lang") what)
Deprecated.
As of JDK version 1.1, replaced by processFocusEvent(FocusEvent).
boolean
**[handleEvent](../../java/awt/Component.html#handleEvent%28java.awt.Event%29)**([Event](../../java/awt/Event.html "class in java.awt") evt)
Deprecated.
As of JDK version 1.1 replaced by processEvent(AWTEvent).
boolean
**[hasFocus](../../java/awt/Component.html#hasFocus%28%29)**()
Returns true if this Component is the focus owner.
void
**[hide](../../java/awt/Component.html#hide%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by setVisible(boolean).
boolean
**[imageUpdate](../../java/awt/Component.html#imageUpdate%28java.awt.Image,%20int,%20int,%20int,%20int,%20int%29)**([Image](../../java/awt/Image.html "class in java.awt") img, int infoflags, int x, int y, int w, int h)
Repaints the component when the image has changed.
boolean
**[inside](../../java/awt/Component.html#inside%28int,%20int%29)**(int x, int y)
Deprecated.
As of JDK version 1.1, replaced by contains(int, int).
void
**[invalidate](../../java/awt/Component.html#invalidate%28%29)**()
Invalidates this component and its ancestors.
boolean
**[isBackgroundSet](../../java/awt/Component.html#isBackgroundSet%28%29)**()
Returns whether the background color has been explicitly set for this Component.
boolean
**[isCursorSet](../../java/awt/Component.html#isCursorSet%28%29)**()
Returns whether the cursor has been explicitly set for this Component.
boolean
**[isDisplayable](../../java/awt/Component.html#isDisplayable%28%29)**()
Determines whether this component is displayable.
boolean
**[isDoubleBuffered](../../java/awt/Component.html#isDoubleBuffered%28%29)**()
Returns true if this component is painted to an offscreen image ("buffer") that's copied to the screen later.
boolean
**[isEnabled](../../java/awt/Component.html#isEnabled%28%29)**()
Determines whether this component is enabled.
boolean
**[isFocusable](../../java/awt/Component.html#isFocusable%28%29)**()
Returns whether this Component can be focused.
boolean
**[isFocusCycleRoot](../../java/awt/Component.html#isFocusCycleRoot%28java.awt.Container%29)**([Container](../../java/awt/Container.html "class in java.awt") container)
Returns whether the specified Container is the focus cycle root of this Component's focus traversal cycle.
boolean
**[isFocusOwner](../../java/awt/Component.html#isFocusOwner%28%29)**()
Returns true if this Component is the focus owner.
boolean
**[isFocusTraversable](../../java/awt/Component.html#isFocusTraversable%28%29)**()
Deprecated.
As of 1.4, replaced by isFocusable().
boolean
**[isFontSet](../../java/awt/Component.html#isFontSet%28%29)**()
Returns whether the font has been explicitly set for this Component.
boolean
**[isForegroundSet](../../java/awt/Component.html#isForegroundSet%28%29)**()
Returns whether the foreground color has been explicitly set for this Component.
boolean
**[isLightweight](../../java/awt/Component.html#isLightweight%28%29)**()
A lightweight component doesn't have a native toolkit peer.
boolean
**[isMaximumSizeSet](../../java/awt/Component.html#isMaximumSizeSet%28%29)**()
Returns true if the maximum size has been set to a non-null value otherwise returns false.
boolean
**[isMinimumSizeSet](../../java/awt/Component.html#isMinimumSizeSet%28%29)**()
Returns whether or not setMinimumSize has been invoked with a non-null value.
boolean
**[isOpaque](../../java/awt/Component.html#isOpaque%28%29)**()
Returns true if this component is completely opaque, returns false by default.
boolean
**[isPreferredSizeSet](../../java/awt/Component.html#isPreferredSizeSet%28%29)**()
Returns true if the preferred size has been set to a non-null value otherwise returns false.
boolean
**[isShowing](../../java/awt/Component.html#isShowing%28%29)**()
Determines whether this component is showing on screen.
boolean
**[isValid](../../java/awt/Component.html#isValid%28%29)**()
Determines whether this component is valid.
boolean
**[isVisible](../../java/awt/Component.html#isVisible%28%29)**()
Determines whether this component should be visible when its parent is visible.
boolean
**[keyDown](../../java/awt/Component.html#keyDown%28java.awt.Event,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int key)
Deprecated.
As of JDK version 1.1, replaced by processKeyEvent(KeyEvent).
boolean
**[keyUp](../../java/awt/Component.html#keyUp%28java.awt.Event,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int key)
Deprecated.
As of JDK version 1.1, replaced by processKeyEvent(KeyEvent).
void
**[layout](../../java/awt/Component.html#layout%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by doLayout().
void
**[list](../../java/awt/Component.html#list%28%29)**()
Prints a listing of this component to the standard system output stream System.out.
void
**[list](../../java/awt/Component.html#list%28java.io.PrintStream%29)**([PrintStream](../../java/io/PrintStream.html "class in java.io") out)
Prints a listing of this component to the specified output stream.
void
**[list](../../java/awt/Component.html#list%28java.io.PrintStream,%20int%29)**([PrintStream](../../java/io/PrintStream.html "class in java.io") out, int indent)
Prints out a list, starting at the specified indentation, to the specified print stream.
void
**[list](../../java/awt/Component.html#list%28java.io.PrintWriter%29)**([PrintWriter](../../java/io/PrintWriter.html "class in java.io") out)
Prints a listing to the specified print writer.
void
**[list](../../java/awt/Component.html#list%28java.io.PrintWriter,%20int%29)**([PrintWriter](../../java/io/PrintWriter.html "class in java.io") out, int indent)
Prints out a list, starting at the specified indentation, to the specified print writer.
[Component](../../java/awt/Component.html "class in java.awt")
**[locate](../../java/awt/Component.html#locate%28int,%20int%29)**(int x, int y)
Deprecated.
As of JDK version 1.1, replaced by getComponentAt(int, int).
[Point](../../java/awt/Point.html "class in java.awt")
**[location](../../java/awt/Component.html#location%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by getLocation().
boolean
**[lostFocus](../../java/awt/Component.html#lostFocus%28java.awt.Event,%20java.lang.Object%29)**([Event](../../java/awt/Event.html "class in java.awt") evt,[Object](../../java/lang/Object.html "class in java.lang") what)
Deprecated.
As of JDK version 1.1, replaced by processFocusEvent(FocusEvent).
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[minimumSize](../../java/awt/Component.html#minimumSize%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by getMinimumSize().
boolean
**[mouseDown](../../java/awt/Component.html#mouseDown%28java.awt.Event,%20int,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int x, int y)
Deprecated.
As of JDK version 1.1, replaced by processMouseEvent(MouseEvent).
boolean
**[mouseDrag](../../java/awt/Component.html#mouseDrag%28java.awt.Event,%20int,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int x, int y)
Deprecated.
As of JDK version 1.1, replaced by processMouseMotionEvent(MouseEvent).
boolean
**[mouseEnter](../../java/awt/Component.html#mouseEnter%28java.awt.Event,%20int,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int x, int y)
Deprecated.
As of JDK version 1.1, replaced by processMouseEvent(MouseEvent).
boolean
**[mouseExit](../../java/awt/Component.html#mouseExit%28java.awt.Event,%20int,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int x, int y)
Deprecated.
As of JDK version 1.1, replaced by processMouseEvent(MouseEvent).
boolean
**[mouseMove](../../java/awt/Component.html#mouseMove%28java.awt.Event,%20int,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int x, int y)
Deprecated.
As of JDK version 1.1, replaced by processMouseMotionEvent(MouseEvent).
boolean
**[mouseUp](../../java/awt/Component.html#mouseUp%28java.awt.Event,%20int,%20int%29)**([Event](../../java/awt/Event.html "class in java.awt") evt, int x, int y)
Deprecated.
As of JDK version 1.1, replaced by processMouseEvent(MouseEvent).
void
**[move](../../java/awt/Component.html#move%28int,%20int%29)**(int x, int y)
Deprecated.
As of JDK version 1.1, replaced by setLocation(int, int).
void
**[nextFocus](../../java/awt/Component.html#nextFocus%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by transferFocus().
void
**[paint](../../java/awt/Component.html#paint%28java.awt.Graphics%29)**([Graphics](../../java/awt/Graphics.html "class in java.awt") g)
Paints this component.
void
**[paintAll](../../java/awt/Component.html#paintAll%28java.awt.Graphics%29)**([Graphics](../../java/awt/Graphics.html "class in java.awt") g)
Paints this component and all of its subcomponents.
protected [String](../../java/lang/String.html "class in java.lang")
**[paramString](../../java/awt/Component.html#paramString%28%29)**()
Returns a string representing the state of this component.
boolean
**[postEvent](../../java/awt/Component.html#postEvent%28java.awt.Event%29)**([Event](../../java/awt/Event.html "class in java.awt") e)
Deprecated.
As of JDK version 1.1, replaced by dispatchEvent(AWTEvent).
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[preferredSize](../../java/awt/Component.html#preferredSize%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by getPreferredSize().
boolean
**[prepareImage](../../java/awt/Component.html#prepareImage%28java.awt.Image,%20java.awt.image.ImageObserver%29)**([Image](../../java/awt/Image.html "class in java.awt") image,[ImageObserver](../../java/awt/image/ImageObserver.html "interface in java.awt.image") observer)
Prepares an image for rendering on this component.
boolean
**[prepareImage](../../java/awt/Component.html#prepareImage%28java.awt.Image,%20int,%20int,%20java.awt.image.ImageObserver%29)**([Image](../../java/awt/Image.html "class in java.awt") image, int width, int height,[ImageObserver](../../java/awt/image/ImageObserver.html "interface in java.awt.image") observer)
Prepares an image for rendering on this component at the specified width and height.
void
**[print](../../java/awt/Component.html#print%28java.awt.Graphics%29)**([Graphics](../../java/awt/Graphics.html "class in java.awt") g)
Prints this component.
void
**[printAll](../../java/awt/Component.html#printAll%28java.awt.Graphics%29)**([Graphics](../../java/awt/Graphics.html "class in java.awt") g)
Prints this component and all of its subcomponents.
protected void
**[processComponentEvent](../../java/awt/Component.html#processComponentEvent%28java.awt.event.ComponentEvent%29)**([ComponentEvent](../../java/awt/event/ComponentEvent.html "class in java.awt.event") e)
Processes component events occurring on this component by dispatching them to any registeredComponentListener objects.
protected void
**[processEvent](../../java/awt/Component.html#processEvent%28java.awt.AWTEvent%29)**([AWTEvent](../../java/awt/AWTEvent.html "class in java.awt") e)
Processes events occurring on this component.
protected void
**[processFocusEvent](../../java/awt/Component.html#processFocusEvent%28java.awt.event.FocusEvent%29)**([FocusEvent](../../java/awt/event/FocusEvent.html "class in java.awt.event") e)
Processes focus events occurring on this component by dispatching them to any registeredFocusListener objects.
protected void
**[processHierarchyBoundsEvent](../../java/awt/Component.html#processHierarchyBoundsEvent%28java.awt.event.HierarchyEvent%29)**([HierarchyEvent](../../java/awt/event/HierarchyEvent.html "class in java.awt.event") e)
Processes hierarchy bounds events occurring on this component by dispatching them to any registeredHierarchyBoundsListener objects.
protected void
**[processHierarchyEvent](../../java/awt/Component.html#processHierarchyEvent%28java.awt.event.HierarchyEvent%29)**([HierarchyEvent](../../java/awt/event/HierarchyEvent.html "class in java.awt.event") e)
Processes hierarchy events occurring on this component by dispatching them to any registeredHierarchyListener objects.
protected void
**[processInputMethodEvent](../../java/awt/Component.html#processInputMethodEvent%28java.awt.event.InputMethodEvent%29)**([InputMethodEvent](../../java/awt/event/InputMethodEvent.html "class in java.awt.event") e)
Processes input method events occurring on this component by dispatching them to any registeredInputMethodListener objects.
protected void
**[processKeyEvent](../../java/awt/Component.html#processKeyEvent%28java.awt.event.KeyEvent%29)**([KeyEvent](../../java/awt/event/KeyEvent.html "class in java.awt.event") e)
Processes key events occurring on this component by dispatching them to any registeredKeyListener objects.
protected void
**[processMouseEvent](../../java/awt/Component.html#processMouseEvent%28java.awt.event.MouseEvent%29)**([MouseEvent](../../java/awt/event/MouseEvent.html "class in java.awt.event") e)
Processes mouse events occurring on this component by dispatching them to any registeredMouseListener objects.
protected void
**[processMouseMotionEvent](../../java/awt/Component.html#processMouseMotionEvent%28java.awt.event.MouseEvent%29)**([MouseEvent](../../java/awt/event/MouseEvent.html "class in java.awt.event") e)
Processes mouse motion events occurring on this component by dispatching them to any registeredMouseMotionListener objects.
protected void
**[processMouseWheelEvent](../../java/awt/Component.html#processMouseWheelEvent%28java.awt.event.MouseWheelEvent%29)**([MouseWheelEvent](../../java/awt/event/MouseWheelEvent.html "class in java.awt.event") e)
Processes mouse wheel events occurring on this component by dispatching them to any registeredMouseWheelListener objects.
void
**[remove](../../java/awt/Component.html#remove%28java.awt.MenuComponent%29)**([MenuComponent](../../java/awt/MenuComponent.html "class in java.awt") popup)
Removes the specified popup menu from the component.
void
**[removeComponentListener](../../java/awt/Component.html#removeComponentListener%28java.awt.event.ComponentListener%29)**([ComponentListener](../../java/awt/event/ComponentListener.html "interface in java.awt.event") l)
Removes the specified component listener so that it no longer receives component events from this component.
void
**[removeFocusListener](../../java/awt/Component.html#removeFocusListener%28java.awt.event.FocusListener%29)**([FocusListener](../../java/awt/event/FocusListener.html "interface in java.awt.event") l)
Removes the specified focus listener so that it no longer receives focus events from this component.
void
**[removeHierarchyBoundsListener](../../java/awt/Component.html#removeHierarchyBoundsListener%28java.awt.event.HierarchyBoundsListener%29)**([HierarchyBoundsListener](../../java/awt/event/HierarchyBoundsListener.html "interface in java.awt.event") l)
Removes the specified hierarchy bounds listener so that it no longer receives hierarchy bounds events from this component.
void
**[removeHierarchyListener](../../java/awt/Component.html#removeHierarchyListener%28java.awt.event.HierarchyListener%29)**([HierarchyListener](../../java/awt/event/HierarchyListener.html "interface in java.awt.event") l)
Removes the specified hierarchy listener so that it no longer receives hierarchy changed events from this component.
void
**[removeInputMethodListener](../../java/awt/Component.html#removeInputMethodListener%28java.awt.event.InputMethodListener%29)**([InputMethodListener](../../java/awt/event/InputMethodListener.html "interface in java.awt.event") l)
Removes the specified input method listener so that it no longer receives input method events from this component.
void
**[removeKeyListener](../../java/awt/Component.html#removeKeyListener%28java.awt.event.KeyListener%29)**([KeyListener](../../java/awt/event/KeyListener.html "interface in java.awt.event") l)
Removes the specified key listener so that it no longer receives key events from this component.
void
**[removeMouseListener](../../java/awt/Component.html#removeMouseListener%28java.awt.event.MouseListener%29)**([MouseListener](../../java/awt/event/MouseListener.html "interface in java.awt.event") l)
Removes the specified mouse listener so that it no longer receives mouse events from this component.
void
**[removeMouseMotionListener](../../java/awt/Component.html#removeMouseMotionListener%28java.awt.event.MouseMotionListener%29)**([MouseMotionListener](../../java/awt/event/MouseMotionListener.html "interface in java.awt.event") l)
Removes the specified mouse motion listener so that it no longer receives mouse motion events from this component.
void
**[removeMouseWheelListener](../../java/awt/Component.html#removeMouseWheelListener%28java.awt.event.MouseWheelListener%29)**([MouseWheelListener](../../java/awt/event/MouseWheelListener.html "interface in java.awt.event") l)
Removes the specified mouse wheel listener so that it no longer receives mouse wheel events from this component.
void
**[removeNotify](../../java/awt/Component.html#removeNotify%28%29)**()
Makes this Component undisplayable by destroying it native screen resource.
void
**[removePropertyChangeListener](../../java/awt/Component.html#removePropertyChangeListener%28java.beans.PropertyChangeListener%29)**([PropertyChangeListener](../../java/beans/PropertyChangeListener.html "interface in java.beans") listener)
Removes a PropertyChangeListener from the listener list.
void
**[removePropertyChangeListener](../../java/awt/Component.html#removePropertyChangeListener%28java.lang.String,%20java.beans.PropertyChangeListener%29)**([String](../../java/lang/String.html "class in java.lang") propertyName,[PropertyChangeListener](../../java/beans/PropertyChangeListener.html "interface in java.beans") listener)
Removes a PropertyChangeListener from the listener list for a specific property.
void
**[repaint](../../java/awt/Component.html#repaint%28%29)**()
Repaints this component.
void
**[repaint](../../java/awt/Component.html#repaint%28int,%20int,%20int,%20int%29)**(int x, int y, int width, int height)
Repaints the specified rectangle of this component.
void
**[repaint](../../java/awt/Component.html#repaint%28long%29)**(long tm)
Repaints the component.
void
**[repaint](../../java/awt/Component.html#repaint%28long,%20int,%20int,%20int,%20int%29)**(long tm, int x, int y, int width, int height)
Repaints the specified rectangle of this component withintm milliseconds.
void
**[requestFocus](../../java/awt/Component.html#requestFocus%28%29)**()
Requests that this Component get the input focus, and that this Component's top-level ancestor become the focused Window.
protected boolean
**[requestFocus](../../java/awt/Component.html#requestFocus%28boolean%29)**(boolean temporary)
Requests that this Component get the input focus, and that this Component's top-level ancestor become the focused Window.
boolean
**[requestFocusInWindow](../../java/awt/Component.html#requestFocusInWindow%28%29)**()
Requests that this Component get the input focus, if this Component's top-level ancestor is already the focused Window.
protected boolean
**[requestFocusInWindow](../../java/awt/Component.html#requestFocusInWindow%28boolean%29)**(boolean temporary)
Requests that this Component get the input focus, if this Component's top-level ancestor is already the focused Window.
void
**[reshape](../../java/awt/Component.html#reshape%28int,%20int,%20int,%20int%29)**(int x, int y, int width, int height)
Deprecated.
As of JDK version 1.1, replaced by setBounds(int, int, int, int).
void
**[resize](../../java/awt/Component.html#resize%28java.awt.Dimension%29)**([Dimension](../../java/awt/Dimension.html "class in java.awt") d)
Deprecated.
As of JDK version 1.1, replaced by setSize(Dimension).
void
**[resize](../../java/awt/Component.html#resize%28int,%20int%29)**(int width, int height)
Deprecated.
As of JDK version 1.1, replaced by setSize(int, int).
void
**[revalidate](../../java/awt/Component.html#revalidate%28%29)**()
Revalidates the component hierarchy up to the nearest validate root.
void
**[setBackground](../../java/awt/Component.html#setBackground%28java.awt.Color%29)**([Color](../../java/awt/Color.html "class in java.awt") c)
Sets the background color of this component.
void
**[setBounds](../../java/awt/Component.html#setBounds%28int,%20int,%20int,%20int%29)**(int x, int y, int width, int height)
Moves and resizes this component.
void
**[setBounds](../../java/awt/Component.html#setBounds%28java.awt.Rectangle%29)**([Rectangle](../../java/awt/Rectangle.html "class in java.awt") r)
Moves and resizes this component to conform to the new bounding rectangle r.
void
**[setComponentOrientation](../../java/awt/Component.html#setComponentOrientation%28java.awt.ComponentOrientation%29)**([ComponentOrientation](../../java/awt/ComponentOrientation.html "class in java.awt") o)
Sets the language-sensitive orientation that is to be used to order the elements or text within this component.
void
**[setCursor](../../java/awt/Component.html#setCursor%28java.awt.Cursor%29)**([Cursor](../../java/awt/Cursor.html "class in java.awt") cursor)
Sets the cursor image to the specified cursor.
void
**[setDropTarget](../../java/awt/Component.html#setDropTarget%28java.awt.dnd.DropTarget%29)**([DropTarget](../../java/awt/dnd/DropTarget.html "class in java.awt.dnd") dt)
Associate a DropTarget with this component.
void
**[setEnabled](../../java/awt/Component.html#setEnabled%28boolean%29)**(boolean b)
Enables or disables this component, depending on the value of the parameter b.
void
**[setFocusable](../../java/awt/Component.html#setFocusable%28boolean%29)**(boolean focusable)
Sets the focusable state of this Component to the specified value.
void
**[setFocusTraversalKeys](../../java/awt/Component.html#setFocusTraversalKeys%28int,%20java.util.Set%29)**(int id,[Set](../../java/util/Set.html "interface in java.util")<? extends [AWTKeyStroke](../../java/awt/AWTKeyStroke.html "class in java.awt")> keystrokes)
Sets the focus traversal keys for a given traversal operation for this Component.
void
**[setFocusTraversalKeysEnabled](../../java/awt/Component.html#setFocusTraversalKeysEnabled%28boolean%29)**(boolean focusTraversalKeysEnabled)
Sets whether focus traversal keys are enabled for this Component.
void
**[setFont](../../java/awt/Component.html#setFont%28java.awt.Font%29)**([Font](../../java/awt/Font.html "class in java.awt") f)
Sets the font of this component.
void
**[setForeground](../../java/awt/Component.html#setForeground%28java.awt.Color%29)**([Color](../../java/awt/Color.html "class in java.awt") c)
Sets the foreground color of this component.
void
**[setIgnoreRepaint](../../java/awt/Component.html#setIgnoreRepaint%28boolean%29)**(boolean ignoreRepaint)
Sets whether or not paint messages received from the operating system should be ignored.
void
**[setLocale](../../java/awt/Component.html#setLocale%28java.util.Locale%29)**([Locale](../../java/util/Locale.html "class in java.util") l)
Sets the locale of this component.
void
**[setLocation](../../java/awt/Component.html#setLocation%28int,%20int%29)**(int x, int y)
Moves this component to a new location.
void
**[setLocation](../../java/awt/Component.html#setLocation%28java.awt.Point%29)**([Point](../../java/awt/Point.html "class in java.awt") p)
Moves this component to a new location.
void
**[setMaximumSize](../../java/awt/Component.html#setMaximumSize%28java.awt.Dimension%29)**([Dimension](../../java/awt/Dimension.html "class in java.awt") maximumSize)
Sets the maximum size of this component to a constant value.
void
**[setMinimumSize](../../java/awt/Component.html#setMinimumSize%28java.awt.Dimension%29)**([Dimension](../../java/awt/Dimension.html "class in java.awt") minimumSize)
Sets the minimum size of this component to a constant value.
void
**[setName](../../java/awt/Component.html#setName%28java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") name)
Sets the name of the component to the specified string.
void
**[setPreferredSize](../../java/awt/Component.html#setPreferredSize%28java.awt.Dimension%29)**([Dimension](../../java/awt/Dimension.html "class in java.awt") preferredSize)
Sets the preferred size of this component to a constant value.
void
**[setSize](../../java/awt/Component.html#setSize%28java.awt.Dimension%29)**([Dimension](../../java/awt/Dimension.html "class in java.awt") d)
Resizes this component so that it has width d.width and height d.height.
void
**[setSize](../../java/awt/Component.html#setSize%28int,%20int%29)**(int width, int height)
Resizes this component so that it has width width and height height.
void
**[setVisible](../../java/awt/Component.html#setVisible%28boolean%29)**(boolean b)
Shows or hides this component depending on the value of parameterb.
void
**[show](../../java/awt/Component.html#show%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by setVisible(boolean).
void
**[show](../../java/awt/Component.html#show%28boolean%29)**(boolean b)
Deprecated.
As of JDK version 1.1, replaced by setVisible(boolean).
[Dimension](../../java/awt/Dimension.html "class in java.awt")
**[size](../../java/awt/Component.html#size%28%29)**()
Deprecated.
As of JDK version 1.1, replaced by getSize().
[String](../../java/lang/String.html "class in java.lang")
**[toString](../../java/awt/Component.html#toString%28%29)**()
Returns a string representation of this component and its values.
void
**[transferFocus](../../java/awt/Component.html#transferFocus%28%29)**()
Transfers the focus to the next component, as though this Component were the focus owner.
void
**[transferFocusBackward](../../java/awt/Component.html#transferFocusBackward%28%29)**()
Transfers the focus to the previous component, as though this Component were the focus owner.
void
**[transferFocusUpCycle](../../java/awt/Component.html#transferFocusUpCycle%28%29)**()
Transfers the focus up one focus traversal cycle.
void
**[update](../../java/awt/Component.html#update%28java.awt.Graphics%29)**([Graphics](../../java/awt/Graphics.html "class in java.awt") g)
Updates this component.
void
**[validate](../../java/awt/Component.html#validate%28%29)**()
Validates this component.