/**
   Demonstrates exception propagation.
  
   @author John Lewis and William Loftus
   @version 1.1
   @author Franck van Breugel
   @version 1.2    May 6, 2002
*/
public class Propagation
{
    /**
       Invokes the level1 method to begin the exception demonstation.
     */
   static public void main (String[] args)
   {
       ExceptionScope demo = new ExceptionScope();

       System.out.println("Program beginning.");
       demo.level1();
       System.out.println("Program ending.");
    }
}