LATIN CAPITAL LETTER J·U+004A

J

Character Information

Code Point
U+004A
HEX
004A
Unicode Plane
Basic Multilingual Plane
Category
Uppercase Letter

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
4A
01001010
UTF16 (big Endian)
00 4A
00000000 01001010
UTF16 (little Endian)
4A 00
01001010 00000000
UTF32 (big Endian)
00 00 00 4A
00000000 00000000 00000000 01001010
UTF32 (little Endian)
4A 00 00 00
01001010 00000000 00000000 00000000
HTML Entity
J
URI Encoded
J

Description

The Unicode character U+004A, commonly known as 'J' (Latin Capital Letter J), is a vital component of digital text across various platforms, playing a crucial role in communication. This letter primarily represents the "j" sound /dʒ/ in languages such as English, French, German, and Spanish, making it essential for accurate representation and transmission of ideas, information, and culture. The Latin Capital Letter J has its origins traced back to the Late Latin or early Medieval period, evolving from a cursive form of 'I'. In typography, this letter exhibits versatility as it reflects nuances of style, tone, or emphasis when used in various fonts and layouts. In the context of Unicode and typography, U+004A belongs to the Basic Latin Unicode block (U+0000 - U+007F), a foundational range of 128 essential characters that serves as the basis for many other Unicode blocks. This historical roots can be traced back to the ASCII character set, but it has evolved over time to meet modern needs, continuing its integral role in digital communication. In summary, U+004A is a fundamental character in digital text that supports accurate representation and transmission of ideas, information, and culture worldwide, with roots dating back centuries in various linguistic and typographic contexts.

How to type the J symbol on Windows

Hold Alt and type 0074 on the numpad. Or use Character Map.

  1. Step 1: Determine the UTF-8 encoding bit layout

    The character J has the Unicode code point U+004A. In UTF-8, it is encoded using 1 byte because its codepoint is in the range of 0x0000 to 0x007f.

    Therefore we know that the UTF-8 encoding will be done over 7 bits within the final 8 bits and that it will have the format: 0xxxxxxx
    Where the x are the payload bits.

    UTF-8 Encoding bit layout by codepoint range
    Codepoint RangeBytesBit patternPayload length
    U+0000 - U+007F10xxxxxxx7 bits
    U+0080 - U+07FF2110xxxxx 10xxxxxx11 bits
    U+0800 - U+FFFF31110xxxx 10xxxxxx 10xxxxxx16 bits
    U+10000 - U+10FFFF411110xxx 10xxxxxx 10xxxxxx 10xxxxxx21 bits
  2. Step 2: Obtain the payload bits:

    Convert the hexadecimal code point U+004A to binary: 01001010. Those are the payload bits.

  3. Step 3: Fill in the bits to match the bit pattern:

    Obtain the final bytes by arranging the paylod bits to match the bit layout:
    01001010