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Novus Examples
jl25 B

Julia Hello

Minimal Julia hello-world for syntax highlighters and Julia LSP smoke tests.

Preview — first 2 linesjl
println("Hello, world!")

Specifications

Language
julia
Role
idiomatic sample
Line Endings
LF
Wave
G

What is a .jl file?

Julia (.jl) source files contain programs written in the Julia language, used for scientific computing with multiple dispatch and high-performance numerics.

How to use this file

Use example .jl files to test Julia syntax highlighters, language servers, and formatters against short known-correct and intentionally invalid samples.

How to use this file for testing

“Julia Hello” is a deterministic Novus Examples fixture for Syntax highlighting, Code parsing, Editor testing. Idiomatic hello-world programs and realistic snippets across sixteen languages, exercising comments, string escapes, interpolation, numeric literals, and language keywords — for testing syntax highlighters, editor themes, and tree-sitter grammars.

Documented properties for this file: idiomatic sample · julia · LF. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.

This is a short, known-correct source file. Run it through your syntax highlighter, linter, formatter, tree-sitter grammar, or parser, and open it in the in-browser editor to tweak and re-download. Each snippet exercises comments, string escapes, literals, and language keywords.

Code examples

julia hello.jl

Generated by generation/code_wave_g.py. Free for any use, no attribution required — license.