Unicode Noncharacter U+FFFE

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Unicode Data
Name Noncharacter
Block Specials
Index entries Noncharacters
Comments may be used to detect byte order by contrast with U+FEFF
See Also zero width no-break space U+FEFF
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) 
HTML Entity (hex) 
How to type in Microsoft Windows Alt +FFFE
UTF-8 (hex) 0xEF 0xBF 0xBE (efbfbe)
UTF-8 (binary) 11101111:10111111:10111110
UTF-16 (hex) 0xFFFE (fffe)
UTF-16 (decimal) 65,534
UTF-32 (hex) 0x0000FFFE (fffe)
UTF-32 (decimal) 65,534
C/C++/Java source code "\uFFFE"
Python source code u"\uFFFE"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock SPECIALS
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