U+81FF

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U+81FF is not a valid unicode character.
Encodings
HTML Entity (decimal) 臿
HTML Entity (hex) 臿
How to type in Microsoft Windows Alt +81FF
UTF-8 (hex) 0xE8 0x87 0xBF (e887bf)
UTF-8 (binary) 11101000:10000111:10111111
UTF-16 (hex) 0x81FF (81ff)
UTF-16 (decimal) 33,279
UTF-32 (hex) 0x000081FF (81ff)
UTF-32 (decimal) 33,279
C/C++/Java source code "\u81FF"
Python source code u"\u81FF"
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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