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J

programming language
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J

Summary

J is a functional programming language[1]. J draws 172 Wikipedia views per month (functional_programming_language category, ranking #8 of 14).[2]

Key Facts

  • J was influenced by FL[3].
  • J was influenced by APL[4].
  • J's image is recorded as J (programming language) icon.png[5].
  • J's instance of is recorded as functional programming language[6].
  • J's instance of is recorded as dynamic programming language[7].
  • J's instance of is recorded as function-level language[8].
  • J's instance of is recorded as array programming language[9].
  • J's instance of is recorded as tacit programming language[10].
  • J's instance of is recorded as object-based language[11].
  • J's instance of is recorded as multi-paradigm programming language[12].
  • J's instance of is recorded as interpreted language[13].
  • J's developer is recorded as Kenneth E. Iverson[14].
  • J's developer is recorded as Roger Hui[15].
  • J's Library of Congress authority ID is recorded as sh2001001715[16].
  • J's copyright license is recorded as GNU General Public License, version 3.0[17].
  • J's designed by is recorded as Kenneth E. Iverson[18].
  • J's software version identifier is recorded as J804[19].
  • J's software version identifier is recorded as J805[20].
  • J's software version identifier is recorded as J806[21].
  • J's software version identifier is recorded as J807[22].
  • J's software version identifier is recorded as J901[23].
  • J's software version identifier is recorded as j902[24].
  • J's software version identifier is recorded as 9.5.1[25].
  • J's software version identifier is recorded as 9.6.0-beta5[26].
  • J's software version identifier is recorded as 9.4.3[27].

Body

Designation and Status

Recorded instance of include functional programming language[6], dynamic programming language[7], function-level language[8], array programming language[9], tacit programming language[10], and object-based language[11].

History and Context

+1990-01-01T00:00:00Z marks the founding of J[28].

Why It Matters

J draws 172 Wikipedia views per month (functional_programming_language category, ranking #8 of 14).[2] J has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[29] J is known by 4 alternative names across languages and contexts.[30]

J has been cited as an influence by Uiua[31], an array programming language[32] and BQN[33], a programming language[34], founded in 2020[35].

FAQs

Who did J influence?

J has been cited as an influence by Uiua[31] and BQN[33].

Related Entities

APL array programming language BQN dynamic programming language FL functional programming language function-level language interpreted language Kenneth E. Iverson multi-paradigm programming language object-based language Roger Hui tacit programming language Uiua

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [9] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [11] ↑ . wikidata.org.
  8. [12] ↑ . wikidata.org.
  9. [13] ↑ . wikidata.org.
  10. [14] ↑ . jsoftware.com. jsoftware.com. Provenance: wikidata.org.
  11. [15] ↑ . jsoftware.com. jsoftware.com. Provenance: wikidata.org.
  12. [16] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [17] ↑ . wikidata.org.
  14. [18] ↑ . jsoftware.com. jsoftware.com. Provenance: wikidata.org.
  15. [19] ↑ . jsoftware.com. jsoftware.com. Provenance: wikidata.org.
  16. [20] ↑ . jsoftware.com. jsoftware.com. Provenance: wikidata.org.
  17. [21] ↑ . code.jsoftware.com. code.jsoftware.com. Provenance: wikidata.org.
  18. [22] ↑ . code.jsoftware.com. code.jsoftware.com. Provenance: wikidata.org.
  19. [23] ↑ . code.jsoftware.com. code.jsoftware.com. Provenance: wikidata.org.
  20. [24] ↑ . code.jsoftware.com. code.jsoftware.com. Provenance: wikidata.org.
  21. [25] ↑ . github.com. github.com. Provenance: wikidata.org.
  22. [26] ↑ . github.com. github.com. Provenance: wikidata.org.
  23. [27] ↑ . github.com. github.com. Provenance: wikidata.org.
  24. [28] ↑ . wikidata.org.
  25. [3] ↑ . wikidata.org.
  26. [4] ↑ . jsoftware.com. jsoftware.com. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [31] ↑ . wikidata.org. → on this site
  2. [33] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [32] ↑ . Wikidata. wikidata.org. → on this site
  2. [34] ↑ . Wikidata. wikidata.org. → on this site
  3. [35] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] ↑ . Wikidata sitelinks. wikidata.org.
  3. [30] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). J. Retrieved May 3, 2026, from https://4ort.xyz/entity/j
MLA “J.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/j.
BibTeX @misc{4ortxyz_j_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{J}}, year = {2026}, url = {https://4ort.xyz/entity/j}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): J — https://4ort.xyz/entity/j (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/j · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 27d ago · Brigandeur · 2026-05-05 view diff on Wikidata ↗
    Developer → —
    Repology project name → —
    Official website → http://www.jsoftware.com
    Different from → —
    + 45 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P348]]: 9.6.3"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.