javax.swing
Interfaces 
Action
BoundedRangeModel
ButtonModel
CellEditor
ComboBoxEditor
ComboBoxModel
DesktopManager
GraphicsWrapper
Icon
ListCellRenderer
ListModel
ListSelectionModel
MenuElement
MutableComboBoxModel
Renderer
RootPaneContainer
Scrollable
ScrollPaneConstants
SingleSelectionModel
SpinnerModel
SwingConstants
WindowConstants
Classes 
AbstractAction
AbstractActionPropertyChangeListener
AbstractButton
AbstractCellEditor
AbstractListModel
AbstractSpinnerModel
ActionMap
AncestorNotifier
Autoscroller
BorderFactory
Box
BoxLayout
ButtonGroup
CellRendererPane
ColorChooserDialog
ColorTracker
CompareTabOrderComparator
ComponentInputMap
DebugGraphics
DebugGraphicsFilter
DebugGraphicsInfo
DebugGraphicsObserver
DefaultBoundedRangeModel
DefaultButtonModel
DefaultCellEditor
DefaultComboBoxModel
DefaultDesktopManager
DefaultFocusManager
DefaultListCellRenderer
DefaultListModel
DefaultListSelectionModel
DefaultSingleSelectionModel
DelegatingDefaultFocusManager
FocusManager
GrayFilter
ImageIcon
InputMap
InputVerifier
InternalFrameFocusTraversalPolicy
JApplet
JButton
JCheckBox
JCheckBoxMenuItem
JColorChooser
JComboBox
JComponent
JDesktopPane
JDialog
JEditorPane
JFileChooser
JFormattedTextField
JFrame
JInternalFrame
JLabel
JLayeredPane
JList
JMenu
JMenuBar
JMenuItem
JOptionPane
JPanel
JPasswordField
JPopupMenu
JProgressBar
JRadioButton
JRadioButtonMenuItem
JRootPane
JScrollBar
JScrollPane
JSeparator
JSlider
JSpinner
JSplitPane
JTabbedPane
JTable
JTextArea
JTextField
JTextPane
JToggleButton
JToolBar
JToolTip
JTree
JViewport
JWindow
KeyboardManager
KeyStroke
LayoutComparator
LayoutFocusTraversalPolicy
LegacyGlueFocusTraversalPolicy
LegacyLayoutFocusTraversalPolicy
LookAndFeel
MenuSelectionManager
MultiUIDefaults
OverlayLayout
Popup
PopupFactory
ProgressMonitor
ProgressMonitorInputStream
RepaintManager
ScrollPaneLayout
SizeRequirements
SizeSequence
SortingFocusTraversalPolicy
SpinnerDateModel
SpinnerListModel
SpinnerNumberModel
Spring
SpringLayout
SwingContainerOrderFocusTraversalPolicy
SwingDefaultFocusTraversalPolicy
SwingGraphics
SwingUtilities
SystemEventQueueUtilities
Timer
TimerQueue
ToolTipManager
TransferHandler
UIDefaults
UIManager
ViewportLayout
Exceptions 
UnsupportedLookAndFeelException