GUI type		type of event		interface, w/req'd methods
---------		-------------		------------------------
JTextField		ActionEvent		ActionListener
JButton			   getSource()		  actionPerformed(ActionEvent)
JPasswordField		   getActionCommand()	  
JMenuItem
JRadioButtonMenuItem


JCheckBox		ItemEvent		ItemListener
JRadioButton		   getSource()		  itemStateChanged(ItemEvent)
JComboBox		   getStateChange()
JCheckBoxMenuItem	   .SELECTED

JList			ListSelectionEvent	ListSelectionListener
						  valueChanged(ListSelectionEvent)

any/none                MouseEvent		MouseListener
			   getX()		  mousePressed(MouseEvent)
			   getY()		  mouseClicked(MouseEvent)
			   getPoint()		  mouseReleased(MouseEvent)
			   getClickCount()	  mouseEntered(MouseEvent)
			   isMetaDown()		  mouseExited(MouseEvent)
						MouseMotionListener
						  mouseDragged(MouseEvent)
						  mouseMoved(MouseEvent)

any?/none		KeyEvent		KeyListener
			  getKeyChar()		  keyPressed(KeyEvent)
			  getKeycode()		  keyReleased(KeyEvent)	
			  getKeyText(keycode)	  keyTyped(KeyEvent)	
			  isActionKey()
			  getModifiers()
			  getKeyModifiersText(modifiers)

JSlider			ChangeEvent		ChangeListener
						  stateChanged(ChangeEvent)

JTextArea		---			---
JLabel			---			---
JPanel			---			---
JMenuBar		---			---
JMenu			---			---
JTabbedPane		---			---