code: private static String convertArgs(String[] args)
      {
          StringBuilder result = new StringBuilder();
          for (int i = 0; i < args.length; i++)
          {
              result.append(args[i]);
              if (i < args.length - 1)
              {
                  result.append(' ');
              }
          }
          return result.toString().toUpperCase();
      }
docs: Converts an arguments array into a single String of words
  separated by spaces.
  @param args The command-line arguments.
  @return A single String made from the command line data.