ctype2[ch] = 0;
        }
    }

    /**
     * Returns the value of the string.
     *
     * @return The value of the string.
     */
    public String getStringValue() {
        return sval;
    }

    /**
     * Advances to the next token.
     *
     * @return The type of the token.
     */
    public int nextToken() {
        initVal();