Unicode Character 'MATHEMATICAL DOUBLE-STRUCK CAPITAL J' (U+1D541) | 
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MATHEMATICAL DOUBLE-STRUCK CAPITAL J
			MATHEMATICAL DOUBLE-STRUCK CAPITAL J
| Unicode Data | |
|---|---|
| Name | MATHEMATICAL DOUBLE-STRUCK CAPITAL J | 
| Block | Mathematical Alphanumeric Symbols | 
| Category | Letter, Uppercase [Lu] | 
| Combine | 0 | 
| BIDI | Left-to-Right [L] | 
| Decomposition | <font> LATIN CAPITAL LETTER J (U+004A) | 
| Mirror | N | 
| Approximations | <font> 004A latin capital letter j | 
		
| Version | Unicode 3.1.0 (March, 2001) | 
| Encodings | |
|---|---|
| HTML Entity (decimal) | 𝕁 | 
| HTML Entity (hex) | 𝕁 | 
| HTML Entity (named) | 𝕁 | 
		
| How to type in Microsoft Windows | Alt +1D541 | 
	
| UTF-8 (hex) | 0xF0 0x9D 0x95 0x81 (f09d9581) | 
| UTF-8 (binary) | 11110000:10011101:10010101:10000001 | 
| UTF-16 (hex) | 0xD835 0xDD41 (d835dd41) | 
| UTF-16 (decimal) | 55,349 56,641 | 
| UTF-32 (hex) | 0x0001D541 (1D541) | 
| UTF-32 (decimal) | 120,129 | 
| C/C++/Java source code | "\uD835\uDD41" | 
| Python source code | u"\U0001D541" | 
| More... | |
| Java Data | |
|---|---|
| string.toUpperCase() | 𝕁 | 
| string.toLowerCase() | 𝕁 | 
| Character.UnicodeBlock | MATHEMATICAL_ALPHANUMERIC_SYMBOLS | 
| Character.charCount() | 2 | 
| Character.getDirectionality() | DIRECTIONALITY_LEFT_TO_RIGHT [0] | 
| Character.getNumericValue() | -1 | 
| Character.getType() | 1 | 
| 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() | No | 
| Character.isMirrored() | No | 
| Character.isSpaceChar() | No | 
| Character.isSupplementaryCodePoint() | Yes | 
| Character.isTitleCase() | No | 
| Character.isUnicodeIdentifierPart() | Yes | 
| Character.isUnicodeIdentifierStart() | Yes | 
| Character.isUpperCase() | Yes | 
| Character.isValidCodePoint() | Yes | 
| Character.isWhitespace() | No |