log.error(e);
System.err.println(e);
   public static void main(String args[])   {      CausalDemo test = null;      boolean    start=false;      for(int i=0; i < args.length; i++) {	  if("-help".equals(args[i])) {	      System.out.println("CausalDemo [-help] [-start]");	      return;	  }	  if("-start".equals(args[i])) {	      start=true;	      continue;	  }      }      //if parameter start is passed , start the demo      test = new CausalDemo(start);      try      {         new Thread(test).start();      }      catch (Exception e)      {         log.error(e);      }   }