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The J programming language, developed in the early 1990s by Kenneth E. Iverson and Roger Hui, is an array programming language based primarily on APL (also by Iverson).
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also programming verbs array operations words data modifiers apl example verb supports using arrays j's used language languages bits lists
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| J (programming language) | Designed by | Kenneth E. Iverson Roger Hui | 1.00 | infobox |
| J (programming language) | Developer | JSoftware | 1.00 | infobox |
| J (programming language) | Family | APL | 1.00 | infobox |
| J (programming language) | First appeared | 1990; 36 years ago (1990) | 1.00 | infobox |
| J (programming language) | License | GPLv3 | 1.00 | infobox |
| J (programming language) | OS | Cross-platform: Windows, Linux, macOS, Android, iOS, Raspberry Pi | 1.00 | infobox |
| J (programming language) | Paradigms | Array, functional, object-oriented (class-based, prototype-based), function-level, tacit | 1.00 | infobox |
| J (programming language) | Stable release | J9.7 / 14 April 2026; 4 months ago (2026-04-14) | 1.00 | infobox |
| J (programming language) | Typing discipline | dynamic | 1.00 | infobox |
| J (programming language) | Website | www.jsoftware.com | 1.00 | infobox |
| quicksort | instance of | User-defined sorts | 0.80 | text |
| above | instance of | User-defined sorts | 0.80 | text |
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