U+DF51

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U+DF51 is not a valid unicode character.
Encodings
HTML Entity (decimal) �
HTML Entity (hex) �
How to type in Microsoft Windows Alt +DF51
UTF-8 (hex) 0x3F (3f)
UTF-8 (binary) 00111111
UTF-16 (hex) 0xFFFD (fffd)
UTF-16 (decimal) 65,533
UTF-32 (hex) 0x0000DF51 (df51)
UTF-32 (decimal) 57,169
C/C++/Java source code "\uFFFD"
Python source code u"\uFFFD"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock LOW_SURROGATES
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 19
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() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No