Unicode Character 'DOWNWARDS ARROW WITH DOUBLE STROKE' (U+21DF)

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Unicode Data
Name DOWNWARDS ARROW WITH DOUBLE STROKE
Block Arrows
Category Symbol, Other [So]
Combine 0
BIDI Other Neutrals [ON]
Mirror N
Old name DOWN ARROW WITH DOUBLE STROKE
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Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) ⇟
HTML Entity (hex) ⇟
How to type in Microsoft Windows Alt +21DF
UTF-8 (hex) 0xE2 0x87 0x9F (e2879f)
UTF-8 (binary) 11100010:10000111:10011111
UTF-16 (hex) 0x21DF (21df)
UTF-16 (decimal) 8,671
UTF-32 (hex) 0x000021DF (21DF)
UTF-32 (decimal) 8,671
C/C++/Java source code "\u21DF"
Python source code u"\u21DF"
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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