U+FFEFF

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U+FFEFF is not a valid unicode character.
Encodings
HTML Entity (decimal) 󿻿
HTML Entity (hex) 󿻿
How to type in Microsoft Windows Alt +FFEFF
UTF-8 (hex) 0xF3 0xBF 0xBB 0xBF (f3bfbbbf)
UTF-8 (binary) 11110011:10111111:10111011:10111111
UTF-16 (hex) 0xDBBF 0xDEFF (dbbfdeff)
UTF-16 (decimal) 56,255 57,087
UTF-32 (hex) 0x000FFEFF (ffeff)
UTF-32 (decimal) 1,048,319
C/C++/Java source code "\uDBBF\uDEFF"
Python source code u"\U000FFEFF"
More...
Java Data
string.toUpperCase() ��
string.toLowerCase() ��
Character.UnicodeBlock SUPPLEMENTARY_PRIVATE_USE_AREA_A
Character.charCount() 2
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 18
Character.isDefined() Yes
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() Yes
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No