public static boolean isEmoji(char c) {
		//noinspection ConstantConditions
		return false == ((c == 0x0) || //
				(c == 0x9) || //
				(c == 0xA) || //
				(c == 0xD) || //
				((c >= 0x20) && (c <= 0xD7FF)) || //
				((c >= 0xE000) && (c <= 0xFFFD)) || //
				((c >= 0x100000) && (c <= 0x10FFFF)));
	}
@Test
	public void isEmojiTest() {
		final String a = "莉🌹";
		assertFalse(CharUtil.isEmoji(a.charAt(0)));
		assertTrue(CharUtil.isEmoji(a.charAt(1)));

	}