Unicode Character 'LATIN SMALL LETTER SHARP S' (U+00DF)

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Michael Kaplan's summary of why there is no uppercase version.

Every character has a story #15: CAPITAL SHARP S (not encoded) also from Michael Kaplan.

Unicode Data
Name LATIN SMALL LETTER SHARP S
Block Latin-1 Supplement
Category Letter, Lowercase [Ll]
Combine 0
BIDI Left-to-Right [L]
Mirror N
Index entries eszett
S, LATIN SMALL LETTER SHARP
SHARP S, LATIN SMALL LETTER
Comments Eszett
German
uppercase is "SS"
typographically the glyph for this character can be based on a ligature of U+017F with either U+0073 or with an old-style glyph for U+007A (the latter similar in appearance to U+0292). Both forms exist interchangeably today.
See Also greek small letter beta U+03B2
latin capital letter sharp s U+1E9E
Version Unicode 1.1.0 (June, 1993)
Encodings
HTML Entity (decimal) ß
HTML Entity (hex) ß
HTML Entity (named) ß
How to type in Microsoft Windows Alt +00DF
Alt 0223
Alt 225
UTF-8 (hex) 0xC3 0x9F (c39f)
UTF-8 (binary) 11000011:10011111
UTF-16 (hex) 0x00DF (00df)
UTF-16 (decimal) 223
UTF-32 (hex) 0x000000DF (00df)
UTF-32 (decimal) 223
C/C++/Java source code "\u00DF"
Python source code u"\u00DF"
More...
Java Data
string.toUpperCase() SS
string.toLowerCase() ß
Character.UnicodeBlock LATIN_1_SUPPLEMENT
Character.charCount() 1
Character.getDirectionality() DIRECTIONALITY_LEFT_TO_RIGHT [0]
Character.getNumericValue() -1
Character.getType() 2
Character.isDefined() Yes
Character.isDigit() No
Character.isIdentifierIgnorable() No
Character.isISOControl() No
Character.isJavaIdentifierPart() Yes
Character.isJavaIdentifierStart() Yes
Character.isLetter() Yes
Character.isLetterOrDigit() Yes
Character.isLowerCase() Yes
Character.isMirrored() No
Character.isSpaceChar() No
Character.isSupplementaryCodePoint() No
Character.isTitleCase() No
Character.isUnicodeIdentifierPart() Yes
Character.isUnicodeIdentifierStart() Yes
Character.isUpperCase() No
Character.isValidCodePoint() Yes
Character.isWhitespace() No