Unicode Character 'END OF TRANSMISSION' (U+0004)

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Unicode Data
Name <control>
Block Basic Latin
Category Other, Control [Cc]
Combine 0
BIDI Boundary Neutral [BN]
Mirror N
Old name END OF TRANSMISSION
Index entries TRANSMISSION, END OF
END OF TRANSMISSION
Comments END OF TRANSMISSION
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) &#4;
HTML Entity (hex) &#x4;
How to type in Microsoft Windows Alt +0004
Alt 04
Alt 4
UTF-8 (hex) 0x04 (04)
UTF-8 (binary) 00000100
UTF-16 (hex) 0x0004 (0004)
UTF-16 (decimal) 4
UTF-32 (hex) 0x00000004 (0004)
UTF-32 (decimal) 4
C/C++/Java source code "\u0004"
Python source code u"\u0004"
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Java Data
string.toUpperCase() 
string.toLowerCase() 
Character.UnicodeBlock BASIC_LATIN
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_BOUNDARY_NEUTRAL [9]
Character.getNumericValue() -1
Character.getType() 15
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() Yes
Character.isISOControl() Yes
Character.isJavaIdentifierPart() Yes
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() Yes
Character.isUnicodeIdentifierStart() No
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No