iluwatar/30-seconds-of-java resource
Collection of reusable tested Java 21 compatible code snippets that you can understand in 30 seconds or less. observed · 2026-09-01
Health v2 · maintenance only
77/100
- Activity 100
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 3183
- days_rel: n/a
- days_push: 3
- n_releases_24m: 0
Adoption not part of the score
1142 stars · 444 forks observed · 2026-09-01
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A curated collection of reusable, tested, copy-pasteable Java 21 code snippets that can each be understood in 30 seconds or less, inspired by 30 seconds of code. It covers algorithms, utilities, and design pattern examples for Java developers.
Use cases
- find a quick java code snippet for binary search
- learn common java algorithms with short examples
- copy tested utility code into my java project
- study java design pattern examples
- browse a curated list of java snippets
- prepare for java coding interviews
When to choose
- you want small, tested, copy-pasteable Java snippets
- you are learning Java or reviewing algorithms
- you need quick reference examples compatible with Java 21
When to avoid
- you need a full production library or framework with dependency management
- you need snippets for languages other than Java
- you want comprehensive, maintained implementations rather than educational snippets
Facets
learning-resource · maturity active
developer-tools documentation programming-languages education developer-tools jvm cross-platform code-snippets java-21 awesome-list copy-paste design-patterns algorithms
2 sources
- readme: https://github.com/iluwatar/30-seconds-of-java · fetched 2026-09-01 · 9327fd526fb0
- homepage: https://java-design-patterns.com/snippets.html · fetched 2026-08-29 · 84c0d41e7a18
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| iluwatar/30-seconds-of-java | main | 77 |
For agents
markdown · JSON · MCP: product_card(name="iluwatar/30-seconds-of-java")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem