Method isSupplementaryCodePoint

lib/java/lang/Character.java:2060–2062

Indicates whether codePoint is within the supplementary code point range. @param codePoint the code point to test. @return true if codePoint is within the supplementary code point range; false otherwise. @since 1.5

(int codePoint)

     * @since 1.5
     */
    public static boolean isSupplementaryCodePoint(int codePoint) {
        return (MIN_SUPPLEMENTARY_CODE_POINT <= codePoint && MAX_CODE_POINT >= codePoint);
    }

    /**
     * Indicates whether {@code ch} is a high- (or leading-) surrogate code unit