Method invoke

src/chap14/JavaFunction.java:16–22

(Object[] args)

        return "chap14.java." + name;
    }
    public Object invoke(Object[] args) {
        try {
            return clazz.getDeclaredMethods()[0].invoke(null, args);
        } catch (Exception e) {
            throw new StoneException(e.getMessage());
        }
    }
}