U+FDEFF

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U+FDEFF is not a valid unicode character.
Encodings
HTML Entity (decimal) 󽻿
HTML Entity (hex) 󽻿
How to type in Microsoft Windows Alt +FDEFF
UTF-8 (hex) 0xF3 0xBD 0xBB 0xBF (f3bdbbbf)
UTF-8 (binary) 11110011:10111101:10111011:10111111
UTF-16 (hex) 0xDBB7 0xDEFF (dbb7deff)
UTF-16 (decimal) 56,247 57,087
UTF-32 (hex) 0x000FDEFF (fdeff)
UTF-32 (decimal) 1,040,127
C/C++/Java source code "\uDBB7\uDEFF"
Python source code u"\U000FDEFF"
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