1) create object
  Tviz tviz1 = new Tviz();

2) set data file
e.g.:
 tviz1.setDataFile("http://coldjava.server101.com/tvize/bonds.csv");

3) set size
tviz1.setBounds(12,12,300,300);

4) show data
tviz1.run();

Another calls:
setLead(integer) - set lead parameter
setShowLabel(boolean) - enable/disable label
setLabelWidth(integer)  - set label width
setShowPoint(boolean) - enable/disable show data values

setAllowTurn(boolean)  - enable/disable cube turn