Uses of Class
java.awt.Component

Packages that use Component

java.applet	Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt	Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.dnd	Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event	Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.im	Provides classes and interfaces for the input method framework.
java.beans	Contains classes related to developing beans -- components based on the JavaBeansTM architecture.
java.beans.beancontext	Provides classes and interfaces relating to bean context.
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border	Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser	Contains classes and interfaces used by the JColorChooser component.
javax.swing.event	Provides for events fired by Swing components.
javax.swing.plaf	Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic	Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal	Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.table	Provides classes and interfaces for dealing with javax.swing.JTable.
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html	Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
javax.swing.tree	Provides classes and interfaces for dealing with javax.swing.JTree.

Uses of Component in java.applet

Subclasses of Component in java.applet

class

Applet An applet is a small program that is intended not to be run on its own, but rather to be embedded inside another application.

Uses of Component in java.awt

Subclasses of Component in java.awt

class	Button This class creates a labeled button.
class	Canvas A Canvas component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.
class	Checkbox A check box is a graphical component that can be in either an "on" (true) or "off" (false) state.
class	Choice The Choice class presents a pop-up menu of choices.
class	Container A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components.
class	Dialog A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user.
class	FileDialog The FileDialog class displays a dialog window from which the user can select a file.
class	Frame A Frame is a top-level window with a title and a border.
class	Label A Label object is a component for placing text in a container.
class	List The List component presents the user with a scrolling list of text items.
class	Panel Panel is the simplest container class.
class	Scrollbar The Scrollbar class embodies a scroll bar, a familiar user-interface object.
class	ScrollPane A container class which implements automatic horizontal and/or vertical scrolling for a single child component.
class	TextArea A TextArea object is a multi-line region that displays text.
class	TextComponent The TextComponent class is the superclass of any component that allows the editing of some text.
class	TextField A TextField object is a text component that allows for the editing of a single line of text.
class	Window A Window object is a top-level window with no borders and no menubar.

Methods in java.awt that return Component

Component	KeyboardFocusManager.getFocusOwner() Returns the focus owner, if the focus owner is in the same context as the calling thread.
protected Component	KeyboardFocusManager.getGlobalFocusOwner() Returns the focus owner, even if the calling thread is in a different context than the focus owner.
Component	KeyboardFocusManager.getPermanentFocusOwner() Returns the permanent focus owner, if the permanent focus owner is in the same context as the calling thread.
protected Component	KeyboardFocusManager.getGlobalPermanentFocusOwner() Returns the permanent focus owner, even if the calling thread is in a different context than the permanent focus owner.
Component	ContainerOrderFocusTraversalPolicy.getComponentAfter(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus after aComponent.
Component	ContainerOrderFocusTraversalPolicy.getComponentBefore(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus before aComponent.
Component	ContainerOrderFocusTraversalPolicy.getFirstComponent(Container focusCycleRoot) Returns the first Component in the traversal cycle.
Component	ContainerOrderFocusTraversalPolicy.getLastComponent(Container focusCycleRoot) Returns the last Component in the traversal cycle.
Component	ContainerOrderFocusTraversalPolicy.getDefaultComponent(Container focusCycleRoot) Returns the default Component to focus.
Component	Window.getFocusOwner() Returns the child Component of this Window that has focus if this Window is focused; returns null otherwise.
Component	Window.getMostRecentFocusOwner() Returns the child Component of this Window that will receive the focus when this Window is focused.
abstract Component	FocusTraversalPolicy.getComponentAfter(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus after aComponent.
abstract Component	FocusTraversalPolicy.getComponentBefore(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus before aComponent.
abstract Component	FocusTraversalPolicy.getFirstComponent(Container focusCycleRoot) Returns the first Component in the traversal cycle.
abstract Component	FocusTraversalPolicy.getLastComponent(Container focusCycleRoot) Returns the last Component in the traversal cycle.
abstract Component	FocusTraversalPolicy.getDefaultComponent(Container focusCycleRoot) Returns the default Component to focus.
Component	FocusTraversalPolicy.getInitialComponent(Window window) Returns the Component that should receive the focus when a Window is made visible for the first time.
Component	Container.getComponent(int n) Gets the nth component in this container.
Component[]	Container.getComponents() Gets all the components in this container.
Component	Container.add(Component comp) Appends the specified component to the end of this container.
Component	Container.add(String name, Component comp) Adds the specified component to this container.
Component	Container.add(Component comp, int index) Adds the specified component to this container at the given position.
Component	Container.getComponentAt(int x, int y) Locates the component that contains the x,y position.
Component	Container.locate(int x, int y) Deprecated. As of JDK version 1.1, replaced by getComponentAt(int, int).
Component	Container.getComponentAt(Point p) Gets the component that contains the specified point.
Component	Container.findComponentAt(int x, int y) Locates the visible child component that contains the specified position.
Component	Container.findComponentAt(Point p) Locates the visible child component that contains the specified point.
Component	Component.getComponentAt(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	Component.locate(int x, int y) Deprecated. As of JDK version 1.1, replaced by getComponentAt(int, int).
Component	Component.getComponentAt(Point p) Returns the component or subcomponent that contains the specified point.

Methods in java.awt with parameters of type Component

protected void	KeyboardFocusManager.setGlobalFocusOwner(Component focusOwner) Sets the focus owner.
protected void	KeyboardFocusManager.setGlobalPermanentFocusOwner(Component permanentFocusOwner) Sets the permanent focus owner.
void	KeyboardFocusManager.redispatchEvent(Component target, AWTEvent e) Redispatches an AWTEvent in such a way that the AWT event dispatcher will not recursively request that the KeyboardFocusManager, or any installed KeyEventDispatchers, dispatch the event again.
abstract void	KeyboardFocusManager.processKeyEvent(Component focusedComponent, KeyEvent e) This method initiates a focus traversal operation if and only if the KeyEvent represents a focus traversal key for the specified focusedComponent.
protected abstract void	KeyboardFocusManager.enqueueKeyEvents(long after, Component untilFocused) Called by the AWT to notify the KeyboardFocusManager that it should delay dispatching of KeyEvents until the specified Component becomes the focus owner.
protected abstract void	KeyboardFocusManager.dequeueKeyEvents(long after, Component untilFocused) Called by the AWT to notify the KeyboardFocusManager that it should cancel delayed dispatching of KeyEvents.
protected abstract void	KeyboardFocusManager.discardKeyEvents(Component comp) Called by the AWT to notify the KeyboardFocusManager that it should cancel delayed dispatching of KeyEvents.
abstract void	KeyboardFocusManager.focusNextComponent(Component aComponent) Focuses the Component after aComponent, typically based on a FocusTraversalPolicy.
abstract void	KeyboardFocusManager.focusPreviousComponent(Component aComponent) Focuses the Component before aComponent, typically based on a FocusTraversalPolicy.
abstract void	KeyboardFocusManager.upFocusCycle(Component aComponent) Moves the focus up one focus traversal cycle.
void	DefaultKeyboardFocusManager.processKeyEvent(Component focusedComponent, KeyEvent e) This method initiates a focus traversal operation if and only if the KeyEvent represents a focus traversal key for the specified focusedComponent.
protected void	DefaultKeyboardFocusManager.enqueueKeyEvents(long after, Component untilFocused) Delays dispatching of KeyEvents until the specified Component becomes the focus owner.
protected void	DefaultKeyboardFocusManager.dequeueKeyEvents(long after, Component untilFocused) Releases for normal dispatching to the current focus owner all KeyEvents which were enqueued because of a call to enqueueKeyEvents with the same timestamp and Component.
protected void	DefaultKeyboardFocusManager.discardKeyEvents(Component comp) Discards all KeyEvents which were enqueued because of one or more calls to enqueueKeyEvents with the specified Component, or one of its descendants.
void	DefaultKeyboardFocusManager.focusPreviousComponent(Component aComponent) Focuses the Component before aComponent, typically based on a FocusTraversalPolicy.
void	DefaultKeyboardFocusManager.focusNextComponent(Component aComponent) Focuses the Component after aComponent, typically based on a FocusTraversalPolicy.
void	DefaultKeyboardFocusManager.upFocusCycle(Component aComponent) Moves the focus up one focus traversal cycle.
protected boolean	DefaultFocusTraversalPolicy.accept(Component aComponent) Determines whether a Component is an acceptable choice as the new focus owner.
Component	ContainerOrderFocusTraversalPolicy.getComponentAfter(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus after aComponent.
Component	ContainerOrderFocusTraversalPolicy.getComponentBefore(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus before aComponent.
protected boolean	ContainerOrderFocusTraversalPolicy.accept(Component aComponent) Determines whether a Component is an acceptable choice as the new focus owner.
void	GridBagLayout.setConstraints(Component comp, GridBagConstraints constraints) Sets the constraints for the specified component in this layout.
GridBagConstraints	GridBagLayout.getConstraints(Component comp) Gets the constraints for the specified component.
protected GridBagConstraints	GridBagLayout.lookupConstraints(Component comp) Retrieves the constraints for the specified component.
void	GridBagLayout.addLayoutComponent(String name, Component comp) Adds the specified component with the specified name to the layout.
void	GridBagLayout.addLayoutComponent(Component comp, Object constraints) Adds the specified component to the layout, using the specified constraints object.
void	GridBagLayout.removeLayoutComponent(Component comp) Removes the specified component from this layout.
void	CardLayout.addLayoutComponent(Component comp, Object constraints) Adds the specified component to this card layout's internal table of names.
void	CardLayout.addLayoutComponent(String name, Component comp) Deprecated. replaced by addLayoutComponent(Component, Object).
void	CardLayout.removeLayoutComponent(Component comp) Removes the specified component from the layout.
void	FlowLayout.addLayoutComponent(String name, Component comp) Adds the specified component to the layout.
void	FlowLayout.removeLayoutComponent(Component comp) Removes the specified component from the layout.
void	GridLayout.addLayoutComponent(String name, Component comp) Adds the specified component with the specified name to the layout.
void	GridLayout.removeLayoutComponent(Component comp) Removes the specified component from the layout.
void	BorderLayout.addLayoutComponent(Component comp, Object constraints) Adds the specified component to the layout, using the specified constraint object.
void	BorderLayout.addLayoutComponent(String name, Component comp) Deprecated. replaced by addLayoutComponent(Component, Object).
void	BorderLayout.removeLayoutComponent(Component comp) Removes the specified component from this border layout.
void	LayoutManager2.addLayoutComponent(Component comp, Object constraints) Adds the specified component to the layout, using the specified constraint object.
void	Window.setLocationRelativeTo(Component c) Sets the location of the window relative to the specified component.
protected void	ScrollPane.addImpl(Component comp, Object constraints, int index) Adds the specified component to this scroll pane container.
abstract Component	FocusTraversalPolicy.getComponentAfter(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus after aComponent.
abstract Component	FocusTraversalPolicy.getComponentBefore(Container focusCycleRoot, Component aComponent) Returns the Component that should receive the focus before aComponent.
void	LayoutManager.addLayoutComponent(String name, Component comp) If the layout manager uses a per-component string, adds the component comp to the layout, associating it with the string specified by name.
void	LayoutManager.removeLayoutComponent(Component comp) Removes the specified component from the layout.
void	PopupMenu.show(Component origin, int x, int y) Shows the popup menu at the x, y position relative to an origin component.
protected java.awt.peer.LightweightPeer	Toolkit.createComponent(Component target) Creates a peer for a component or container.
protected static Container	Toolkit.getNativeContainer(Component c) Give native peers the ability to query the native container given a native component (eg the direct parent may be lightweight).
DragGestureRecognizer	Toolkit.createDragGestureRecognizer(Class abstractRecognizerClass, DragSource ds, Component c, int srcActions, DragGestureListener dgl) Creates a concrete, platform dependent, subclass of the abstract DragGestureRecognizer class requested, and associates it with the DragSource, Component and DragGestureListener specified.
Component	Container.add(Component comp) Appends the specified component to the end of this container.
Component	Container.add(String name, Component comp) Adds the specified component to this container.
Component	Container.add(Component comp, int index) Adds the specified component to this container at the given position.
void	Container.add(Component comp, Object constraints) Adds the specified component to the end of this container.
void	Container.add(Component comp, Object constraints, int index) Adds the specified component to this container with the specified constraints at the specified index.
protected void	Container.addImpl(Component comp, Object constraints, int index) Adds the specified component to this container at the specified index.
void	Container.remove(Component comp) Removes the specified component from this container.
boolean	Container.isAncestorOf(Component c) Checks if the component is contained in the component hierarchy of this container.

Constructors in java.awt with parameters of type Component

MediaTracker(Component comp)
Creates a media tracker to track images for a given component.

Uses of Component in java.awt.dnd

Fields in java.awt.dnd declared as Component

protected Component

DragGestureRecognizer.component The Component associated with this DragGestureRecognizer.

Methods in java.awt.dnd that return Component

Component	DragSourceContext.getComponent() Returns the Component associated with this DragSourceContext.
Component	DragGestureRecognizer.getComponent() This method returns the Component that is to be "observed" by the DragGestureRecognizer for drag initiating gestures.
Component	DragGestureEvent.getComponent() Returns the Component associated with this DragGestureEvent.
Component	DropTargetContext.getComponent() This method returns the Component associated with this DropTargetContext.
Component	DropTarget.getComponent() Gets the Component associated with this DropTarget.

Methods in java.awt.dnd with parameters of type Component

void	DragGestureRecognizer.setComponent(Component c) set the Component that the DragGestureRecognizer is associated with registerListeners() and unregisterListeners() are called as a side effect as appropriate.
DragGestureRecognizer	DragSource.createDragGestureRecognizer(Class recognizerAbstractClass, Component c, int actions, DragGestureListener dgl) Creates a new DragGestureRecognizer that implements the specified abstract subclass of DragGestureRecognizer, and sets the specified Component and DragGestureListener on the newly created object.
DragGestureRecognizer	DragSource.createDefaultDragGestureRecognizer(Component c, int actions, DragGestureListener dgl) Creates a new DragGestureRecognizer that implements the default abstract subclass of DragGestureRecognizer for this DragSource, and sets the specified Component and DragGestureListener on the newly created object.
void	DropTarget.setComponent(Component c) Note: this interface is required to permit the safe association of a DropTarget with a Component in one of two ways, either: component.setDropTarget(droptarget); or droptarget.setComponent(component);
protected DropTarget.DropTargetAutoScroller	DropTarget.createDropTargetAutoScroller(Component c, Point p) create an embedded autoscroller

Constructors in java.awt.dnd with parameters of type Component

MouseDragGestureRecognizer(DragSource ds, Component c, int act, DragGestureListener dgl)
Construct a new MouseDragGestureRecognizer given the DragSource for the Component c, the Component to observe, the action(s) permitted for this drag operation, and the DragGestureListener to notify when a drag gesture is detected.

MouseDragGestureRecognizer(DragSource ds, Component c, int act)
Construct a new MouseDragGestureRecognizer given the DragSource for the Component c, the Component to observe, and the action(s) permitted for this drag operation.

MouseDragGestureRecognizer(DragSource ds, Component c)
Construct a new MouseDragGestureRecognizer given the DragSource for the Component c, and the Component to observe.

DragGestureRecognizer(DragSource ds, Component c, int sa, DragGestureListener dgl)
Construct a new DragGestureRecognizer given the DragSource to be used in this Drag and Drop operation, the Component this DragGestureRecognizer should "observe" for drag initiating gestures, the action(s) supported for this Drag and Drop operation, and the DragGestureListener to notify once a drag initiating gesture has been detected.

DragGestureRecognizer(DragSource ds, Component c, int sa)
Construct a new DragGestureRecognizer given the DragSource to be used in this Drag and Drop operation, the Component this DragGestureRecognizer should "observe" for drag initiating gestures, and the action(s) supported for this Drag and Drop operation.

DragGestureRecognizer(DragSource ds, Component c)
Construct a new DragGestureRecognizer given the DragSource to be used in this Drag and Drop operation, and the Component this DragGestureRecognizer should "observe" for drag initiating gestures.

DropTarget(Component c, int ops, DropTargetListener dtl, boolean act, FlavorMap fm)
Creates a new DropTarget given the Component to associate itself with, an int representing the default acceptable action(s) to support, a DropTargetListener to handle event processing, a boolean indicating if the DropTarget is currently accepting drops, and a FlavorMap to use (or null for the default FlavorMap).

DropTarget(Component c, int ops, DropTargetListener dtl, boolean act)
Creates a DropTarget given the Component to associate itself with, an int representing the default acceptable action(s) to support, a DropTargetListener to handle event processing, and a boolean indicating if the DropTarget is currently accepting drops.

DropTarget(Component c, DropTargetListener dtl)
Creates a DropTarget given the Component to associate itself with, and the DropTargetListener to handle event processing.

DropTarget(Component c, int ops, DropTargetListener dtl)
Creates a DropTarget given the Component to associate itself with, an int representing the default acceptable action(s) to support, and a DropTargetListener to handle event processing.

DropTarget.DropTargetAutoScroller(Component c, Point p)
construct a DropTargetAutoScroller

Uses of Component in java.awt.event

Methods in java.awt.event that return Component

Component	ContainerEvent.getChild() Returns the component that was affected by the event.
Component	HierarchyEvent.getComponent() Returns the originator of the event.
Component	HierarchyEvent.getChanged() Returns the Component at the top of the hierarchy which was changed.
Component	FocusEvent.getOppositeComponent() Returns the other Component involved in this focus change.
Component	ComponentEvent.getComponent() Returns the originator of the event.

Constructors in java.awt.event with parameters of type Component

ContainerEvent(Component source, int id, Component child)
Constructs a ContainerEvent object.

PaintEvent(Component source, int id, Rectangle updateRect)
Constructs a PaintEvent object with the specified source component and type.

HierarchyEvent(Component source, int id, Component changed, Container changedParent)
Constructs an HierarchyEvent object to identify a change in the Component hierarchy.

HierarchyEvent(Component source, int id, Component changed, Container changedParent, long changeFlags)
Constructs an HierarchyEvent object to identify a change in the Component hierarchy.

InputMethodEvent(Component source, int id, long when, AttributedCharacterIterator text, int committedCharacterCount, TextHitInfo caret, TextHitInfo visiblePosition)
Constructs an InputMethodEvent with the specified source component, type, time, text, caret, and visiblePosition.

InputMethodEvent(Component source, int id, AttributedCharacterIterator text, int committedCharacterCount, TextHitInfo caret, TextHitInfo visiblePosition)
Constructs an InputMethodEvent with the specified source component, type, text, caret, and visiblePosition.

InputMethodEvent(Component source, int id, TextHitInfo caret, TextHitInfo visiblePosition)
Constructs an InputMethodEvent with the specified source component, type, caret, and visiblePosition.

FocusEvent(Component source, int id, boolean temporary, Component opposite)
Constructs a FocusEvent object with the specified temporary state and opposite Component.

FocusEvent(Component source, int id, boolean temporary)
Constructs a FocusEvent object and identifies whether or not the change is temporary.

FocusEvent(Component source, int id)
Constructs a FocusEvent object and identifies it as a permanent change in focus.

MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger, int button)
Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, and click count.

MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger)
Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, and click count.

MouseWheelEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger, int scrollType, int scrollAmount, int wheelRotation)
Constructs a MouseWheelEvent object with the specified source component, type, modifiers, coordinates, scroll type, scroll amount, and wheel rotation.

ComponentEvent(Component source, int id)
Constructs a ComponentEvent object.

KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar, int keyLocation)

KeyEvent(Component source, int id, long when, int modifiers, int keyCode, char keyChar)
Constructs a KeyEvent object.

KeyEvent(Component source, int id, long when, int modifiers, int keyCode)
Deprecated. as of JDK1.1

Uses of Component in java.awt.im

Methods in java.awt.im with parameters of type Component

void	InputContext.removeNotify(Component client) Notifies the input context that a client component has been removed from its containment hierarchy, or that input method support has been disabled for the component.

Uses of Component in java.beans

Methods in java.beans that return Component

Component	PropertyEditorSupport.getCustomEditor() A PropertyEditor may chose to make available a full custom Component that edits its property value.
Component	PropertyEditor.getCustomEditor() A PropertyEditor may choose to make available a full custom Component that edits its property value.

Uses of Component in java.beans.beancontext

Methods in java.beans.beancontext that return Component

Component

BeanContextChildComponentProxy.getComponent() Gets the java.awt.Component associated with this BeanContextChild.

Uses of Component in javax.swing

Subclasses of Component in javax.swing

class	AbstractButton Defines common behaviors for buttons and menu items.
class	Box A lightweight container that uses a BoxLayout object as its layout manager.
static class	Box.Filler An implementation of a lightweight component that participates in layout but has no view.
class	CellRendererPane This class is inserted in between cell renderers and the components that use them.
class	DefaultListCellRenderer Renders an item in a list.
static class	DefaultListCellRenderer.UIResource A subclass of DefaultListCellRenderer that implements UIResource.
class	JApplet An extended version of java.applet.Applet that adds support for the JFC/Swing component architecture.
class	JButton An implementation of a "push" button.
class	JCheckBox An implementation of a check box -- an item that can be selected or deselected, and which displays its state to the user.
class	JCheckBoxMenuItem A menu item that can be selected or deselected.
class	JColorChooser JColorChooser provides a pane of controls designed to allow a user to manipulate and select a color.
class	JComboBox A component that combines a button or editable field and a drop-down list.
class	JComponent The base class for all Swing components except top-level containers.
class	JDesktopPane A container used to create a multiple-document interface or a virtual desktop.
class	JDialog The main class for creating a dialog window.
class	JEditorPane A text component to edit various kinds of content.
class	JFileChooser JFileChooser provides a simple mechanism for the user to choose a file.
class	JFormattedTextField JFormattedTextField extends JTextField adding support for formatting arbitrary values, as well as retrieving a particular object once the user has edited the text.
class	JFrame An extended version of java.awt.Frame that adds support for the JFC/Swing component architecture.
class	JInternalFrame A lightweight object that provides many of the features of a native frame, including dragging, closing, becoming an icon, resizing, title display, and support for a menu bar.
static class	JInternalFrame.JDesktopIcon This component represents an iconified version of a JInternalFrame.
class	JLabel A display area for a short text string or an image, or both.
class	JLayeredPane JLayeredPane adds depth to a JFC/Swing container, allowing components to overlap each other when needed.
class	JList A component that allows the user to select one or more objects from a list.
class	JMenu An implementation of a menu -- a popup window containing JMenuItems that is displayed when the user selects an item on the JMenuBar.
class	JMenuBar An implementation of a menu bar.
class	JMenuItem An implementation of an item in a menu.
class	JOptionPane JOptionPane makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something.
class	JPanel JPanel is a generic lightweight container.
class	JPasswordField JPasswordField is a lightweight component that allows the editing of a single line of text where the view indicates something was typed, but does not show the original characters.
class	JPopupMenu An implementation of a popup menu -- a small window that pops up and displays a series of choices.
static class	JPopupMenu.Separator A popup menu-specific separator.
class	JProgressBar A component that, by default, displays an integer value within a bounded interval.
class	JRadioButton An implementation of a radio button -- an item that can be selected or deselected, and which displays its state to the user.
class	JRadioButtonMenuItem An implementation of a radio button menu item.
class	JRootPane A lightweight container used behind the scenes by JFrame, JDialog, JWindow, JApplet, and JInternalFrame.
class	JScrollBar An implementation of a scrollbar.
class	JScrollPane Provides a scrollable view of a lightweight component.
protected class	JScrollPane.ScrollBar By default JScrollPane creates scrollbars that are instances of this class.
class	JSeparator JSeparator provides a general purpose component for implementing divider lines - most commonly used as a divider between menu items that breaks them up into logical groupings.
class	JSlider A component that lets the user graphically select a value by sliding a knob within a bounded interval.
class	JSpinner A single line input field that lets the user select a number or an object value from an ordered sequence.
static class	JSpinner.DateEditor An editor for a JSpinner whose model is a SpinnerDateModel.
static class	JSpinner.DefaultEditor A simple base class for more specialized editors that displays a read-only view of the model's current value with a JFormattedTextField.
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