public final Object nextValue() throws JSONException {
        char c = nextClean();
        String s;

        switch (c) {
            case '"':
            case '\'':
                return nextString(c);
            case '{':
                back();
                return new JSONObject(this);
            case '[':
            case '(':
                back();
                return new JSONArray(this);
        }

        /*
         * Handle unquoted text. This could be the values true, false, or
         * null, or it can be a number. An implementation (such as this one)
         * is allowed to also accept non-standard forms.
         *
         * Accumulate characters until we reach the end of the text or a
         * formatting character.
         */

        StringBuffer sb = new StringBuffer();
        while (c >= ' ' && ",:]}/\\\"[{;=#".indexOf(c) < 0) {
            sb.append(c);
            c = next();
        }
        back();

        s = sb.toString().trim();
        if (s.equals("")) {
            throw syntaxError("Missing value");
        }
        return JSONObject.stringToValue(s);
    }