code: private void doit(String[] args)
      {
          try
          {
              // load parameters from the commandline
              loadParameters(args);
  
              // Try to load the private key
              importKeyPair();
          }
          catch (Exception e)
          {
              System.out.println("Exception: " + e.getMessage());
              e.printStackTrace();
              
              System.exit(23);
          }
      }
docs: Load parameters and perform the import command.
  Catch any exceptions and clear the password arrays.
  @param args String array containing command line arguments