Unicode Character 'RIGHTWARDS TWO HEADED ARROW' (U+21A0)

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Unicode Data
Name RIGHTWARDS TWO HEADED ARROW
Block Arrows
Category Symbol, Math [Sm]
Combine 0
BIDI Other Neutrals [ON]
Mirror N
Old name RIGHT TWO HEADED ARROW
Index entries right, fast cursor
total surjection
surjection, total
cursor right, fast
fast cursor right
Comments z notation total surjection
fast cursor right
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) ↠
HTML Entity (hex) ↠
How to type in Microsoft Windows Alt +21A0
UTF-8 (hex) 0xE2 0x86 0xA0 (e286a0)
UTF-8 (binary) 11100010:10000110:10100000
UTF-16 (hex) 0x21A0 (21a0)
UTF-16 (decimal) 8,608
UTF-32 (hex) 0x000021A0 (21A0)
UTF-32 (decimal) 8,608
C/C++/Java source code "\u21A0"
Python source code u"\u21A0"
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Java Data
string.toUpperCase()
string.toLowerCase()
Character.UnicodeBlock ARROWS
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