U+81C9

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U+81C9 is not a valid unicode character.
Encodings
HTML Entity (decimal) 臉
HTML Entity (hex) 臉
How to type in Microsoft Windows Alt +81C9
UTF-8 (hex) 0xE8 0x87 0x89 (e88789)
UTF-8 (binary) 11101000:10000111:10001001
UTF-16 (hex) 0x81C9 (81c9)
UTF-16 (decimal) 33,225
UTF-32 (hex) 0x000081C9 (81c9)
UTF-32 (decimal) 33,225
C/C++/Java source code "\u81C9"
Python source code u"\u81C9"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock CJK_UNIFIED_IDEOGRAPHS
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 5
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() Yes
Character.isLetter() Yes
Character.isLetterOrDigit() Yes
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() Yes
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No