U+FDEF

U+FDEF

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U+FDEF is not a valid unicode character.
Encodings
HTML Entity (decimal) 
HTML Entity (hex) 
How to type in Microsoft Windows Alt +FDEF
UTF-8 (hex) 0xEF 0xB7 0xAF (efb7af)
UTF-8 (binary) 11101111:10110111:10101111
UTF-16 (hex) 0xFDEF (fdef)
UTF-16 (decimal) 65,007
UTF-32 (hex) 0x0000FDEF (fdef)
UTF-32 (decimal) 65,007
C/C++/Java source code "\uFDEF"
Python source code u"\uFDEF"
More...
Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock ARABIC_PRESENTATION_FORMS_A
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