Unicode Character 'UPWARDS DOUBLE ARROW' (U+21D1)

Unicode Character 'UPWARDS DOUBLE ARROW' (U+21D1)

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Unicode Data
Name UPWARDS DOUBLE ARROW
Block Arrows
Category Symbol, Other [So]
Combine 0
BIDI Other Neutrals [ON]
Mirror N
Old name UP DOUBLE ARROW
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) ⇑
HTML Entity (hex) ⇑
HTML Entity (named) ⇑
How to type in Microsoft Windows Alt +21D1
UTF-8 (hex) 0xE2 0x87 0x91 (e28791)
UTF-8 (binary) 11100010:10000111:10010001
UTF-16 (hex) 0x21D1 (21d1)
UTF-16 (decimal) 8,657
UTF-32 (hex) 0x000021D1 (21d1)
UTF-32 (decimal) 8,657
C/C++/Java source code "\u21D1"
Python source code u"\u21D1"
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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() 28
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