Unicode Character 'ERROR-BARRED BLACK DIAMOND' (U+29F1)

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Unicode Data
Name ERROR-BARRED BLACK DIAMOND
Block Miscellaneous Mathematical Symbols-B
Category Symbol, Math [Sm]
Combine 0
BIDI Other Neutrals [ON]
Mirror N
Version Unicode 3.2.0 (March, 2002)
Encodings
HTML Entity (decimal) ⧱
HTML Entity (hex) ⧱
How to type in Microsoft Windows Alt +29F1
UTF-8 (hex) 0xE2 0xA7 0xB1 (e2a7b1)
UTF-8 (binary) 11100010:10100111:10110001
UTF-16 (hex) 0x29F1 (29f1)
UTF-16 (decimal) 10,737
UTF-32 (hex) 0x000029F1 (29f1)
UTF-32 (decimal) 10,737
C/C++/Java source code "\u29F1"
Python source code u"\u29F1"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_OTHER_NEUTRALS [13]
Character.getNumericValue() -1
Character.getType() 25
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