ComponentEvent:is the superclass either directly or indirectly of ContainerEvent,FocusEvent, KeyEvent,MouseEvent, and WindowEvent.
The ComponentEvent Class
A ComponentEvent is generated when the size, position, or visibility of a component is changed.The ComponentEvent class defines integer constants that can be used to identify them. ComponentEvent is the superclass either directly or indirectly of ContainerEvent,FocusEvent, KeyEvent,MouseEvent, and WindowEvent.
