U+FAFF

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U+FAFF is not a valid unicode character.
Encodings
HTML Entity (decimal) 﫿
HTML Entity (hex) 﫿
How to type in Microsoft Windows Alt +FAFF
UTF-8 (hex) 0xEF 0xAB 0xBF (efabbf)
UTF-8 (binary) 11101111:10101011:10111111
UTF-16 (hex) 0xFAFF (faff)
UTF-16 (decimal) 64,255
UTF-32 (hex) 0x0000FAFF (faff)
UTF-32 (decimal) 64,255
C/C++/Java source code "\uFAFF"
Python source code u"\uFAFF"
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Java Data
string.toUpperCase() 﫿
string.toLowerCase() 﫿
Character.UnicodeBlock CJK_COMPATIBILITY_IDEOGRAPHS
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_UNDEFINED [-1]
Character.getNumericValue() -1
Character.getType() 0
Character.isDefined() No
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() No
Character.isJavaIdentifierStart() No
Character.isLetter() No
Character.isLetterOrDigit() No
Character.isLowerCase() No
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No