J
J is an actively used programming language created in 1990. The J programming language, developed in the early 1990s by Kenneth E. Iverson and Roger Hui, is a synthesis of APL (also by Iverson) and the FP and FL function-level languages created by John Backus. To avoid repeating the APL special-character problem, J uses only the basic ASCII character set, resorting to the use of the dot and colon as inflections to form short words similar to digraphs. Read more on Wikipedia...
30Years Old | 857Users | ?Jobs |
- J ranks in the top 5% of languages
- the J website
- the J wikipedia page
- J first appeared in 1990
- J was created by Kenneth E. Iverson and Roger Hui
- file extensions for J include ijs
- tryitonline has an online J repl
- See also: linux, apl, fp, fl, numpy, supercollider, ascii, unix, sql, c, unicode, k, q
- Have a question about J not answered here? Email me and let me know how I can help.
Example code from the Hello World Collection:
NB. Hello World in J 'Hello World' 1!:2(2)
Example code from Linguist:
#!/bin/jconsole echo 'Hello, GitHub!' exit ''
Example code from Wikipedia:
3 |. 1 0 1 1 0 0 1 1 1 1 1 NB. rotate 1 0 0 1 1 1 1 1 1 0 1
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Last updated August 9th, 2020