U+F3F3

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U+F3F3 is not a valid unicode character.
Encodings
HTML Entity (decimal) 
HTML Entity (hex) 
How to type in Microsoft Windows Alt +F3F3
UTF-8 (hex) 0xEF 0x8F 0xB3 (ef8fb3)
UTF-8 (binary) 11101111:10001111:10110011
UTF-16 (hex) 0xF3F3 (f3f3)
UTF-16 (decimal) 62,451
UTF-32 (hex) 0x0000F3F3 (f3f3)
UTF-32 (decimal) 62,451
C/C++/Java source code "\uF3F3"
Python source code u"\uF3F3"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock PRIVATE_USE_AREA
Character.charCount() 1
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() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() No
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No