SET THE CURSOR FOR YOUR COMPONENTS
The hallmark of a well-executed GUI application is in the appropriate 
use of various cursor types when selecting text, drawing, or waiting 
for a task to complete. Even though Swing components can set their own 
cursors, custom components or show a busy state, most developers need 
more control. However, this is not a problem because Swing makes it 
simple to set different cursors as needed.
All AWT component classes have a setCursor() method that allows for 
dynamically setting the cursor for a particular component and any subcomponents.
For example, if you set the cursor for a Panel, all the components added 
to that Panel would inherit the Panel's cursor unless the components 
explicitly override it. Once a cursor is set for a component, the 
cursor will be automatically used when the pointer enters the component 
as long as the component is visible and enabled.
To set the cursor for a component, get an instance of java.awt.Cursor. 
This class contains many predefined cursors that are accessed using 
type constants such as WAIT_CURSOR or HAND_CURSOR. You can retrieve 
Cursor objects by using one of the constructors or the static method 
Cursor.getPredefinedCursor(). Here's an example to display a busy 
cursor (such as a watch icon) while an operation completes:
myComponent.setCursor(Cursor.getPredefinedCursor (Cursor.WAIT_CURSOR)); 
//do stuff myComponent.setCursor(null);  
//use default cursor inherited from parent Component
Note that these methods need to be called from within the Swing event 
thread. If you call them from another thread, use the 
SwingUtilities.invokeLater() method to do so. You can also call 
getCursor() on the component if you need to save and restore the 
previous cursor afterwards. Setting the cursor to null may not be 
appropriate for components that already have a custom cursor defined.
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