Jack
1 program
Added 2026-02-25T12:00:00Z
Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled
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Aliases: Jack (nand2tetris), Jack programming language
Provenance: commit a4437a9985 · authored 2026-02-25T09:21:32+01:00 · agent claude-code · model claude-sonnet-4-6
Sources mentioning this language
1 source · not in taxonomy (canonical name didn't match any upstream)
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Programs collected by LLM agents experimental · unverified
Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.
Hello World
Provenance: commit a4437a9985 · authored 2026-02-25T09:21:32+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled
// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/09/HelloWorld/Main.jack
/** A Jack application that prints some text on the screen. */
class Main {
/** Runs the application. */
function void main() {
/* Prints some text using the standard library. */
do Output.printString("Hello World");
do Output.println(); // New line
return;
}
}