ClosableDialog is a base class that obeys the
DialogCloser is an inner class that implements the
windowClosing listener for
ClosableFrame is a base class that obeys the
DrawingBox is a frame upon which many of the
java.awt.Graphics operations can be performed.
DBMouseAdapter is an inner class that implements
the Mouse listener for
DBMouseMotionAdapter is an inner class that implements
the Mouse motion listener for
ErrorBox is a dialog box used for presenting error
InputBox is a closable dialog box that can receive and
translate textual keyword input into various Java types.
OutputBox is a closable frame that holds textual output.
SFormat is a utility class for formatting numbers as
Timer is a utility class for causing a program to
pause for a specified period of time.
TrickMouse is a special class used as an example in the text.