public static void main(String[] args) throws Exception {
        if (args.length == 0) {
            help(System.err);
            return;
        }

        CompiledClass[] entries = new CompiledClass[args.length];
        int n = parse(args, entries);

        if (n < 1) {
            System.err.println("bad parameter.");
            return;
        }

        processClasses(entries, n);
    }