In order to get a first impression of this
program (under Microsoft Windows ®) it is 
recommended to do the following:

a) Copy the entire Java directory to your computer
b) Install the Java runtime environment (JRE 1.1.8) on
   your computer. 
c) Go to the DeApp1 subdirectory and adapt the
   batch file DeApp1.bat according to your setting.
   See DeApp1.bat for further instructions.
d) Double click on DeApp1.bat.

Notes: This code is rather old but may serve
as a good starting point to develop DE under Java.
Known Bugs:

1) The graphics windows must be called and
   removed by the pertinent check buttons.
   If the graphics windows are deleted by
   the x-button in the upper right corner
   of the window, the corresponding check
   button remains checked.
2) When the optimization is finished and
   a graphics window is deleted, the
   corresponding graphics can not be 
   regenerated, i.e. when the graphics
   window is called again, it will be
   empty.
3) Putting a graphics window in the background
   may render its canvas greyed. The canvas
   has to be clicked to regenerate the
   drawing.
4) When the graphics windows are open
   and the application is changed
   the graphics does not change accordingly.
   The windows must be closed first, then the
   application has to be changed, and then
   the graphics windows can be called again.

This code has been developed and tested with
Symantec® Visual Cafe 3.0 and SUN's® JDK 1.1.8.