Method toCodePoint

lib/java/lang/Character.java:2148–2154

Converts a surrogate pair into a Unicode code point. This method assumes that the pair are valid surrogates. If the pair are not valid surrogates, then the result is indeterminate. The #isSurrogatePair(char, char) method should be used prior to this method to validate the pair. @para

(char high, char low)

     * @since 1.5
     */
    public static int toCodePoint(char high, char low) {
        // See RFC 2781, Section 2.2
        // http://www.faqs.org/rfcs/rfc2781.html
        int h = (high & 0x3FF) << 10;
        int l = low & 0x3FF;
        return (h | l) + 0x10000;
    }

    /**
     * Returns the code point at {@code index} in the specified sequence of