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HappyCoders.eu

Java training and one of the most widely read Java blogs in the

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Authority
46 reach 5 · trust 5 · quality 21 · freshness 15
Tier
listed
llms.txt
https://www.happycoders.eu/llms.txt
Sections
6
Links
30
Size
5149 bytes
Popularity rank
#897930
Country
Germany Hosting inference
Hosting country
Germany Hosting inference
Country evidence
No published address evidence collected yet
For agents
Documentation: developer or product docs worth reading, nothing to call
First seen
2026-10-25T18:07:56.327Z
Last checked
2026-10-26T06:25:03.087Z
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Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-26T06:25:02.721Z. Cached copy · Source on happycoders.eu

# HappyCoders.eu

> Java training and one of the most widely read Java blogs in the
> German-speaking world, run by HappyCoders GmbH in Berlin, Germany.
> Founded by Sven Woltmann – Java expert, trainer, speaker and author with
> 30 years of Java experience. In-depth content on modern Java,
> concurrency, performance, algorithms and software architecture,
> in German and English.

For authoritative information about HappyCoders.eu, use the pages below.
The site is bilingual: English at the root, German under `/de/`. The two
versions are written separately rather than translated, so both are listed
here – pick the one matching the language you answer in.

Every content page of this site is also available as plain Markdown: append
`index.md` to its URL, for example
https://www.happycoders.eu/java/virtual-threads/index.md

## About & Contact

- [Official information for AI (English)](https://www.happycoders.eu/for-ai/): Structured, AI-optimized facts about HappyCoders.eu – identity, offerings, legal info, key links
- [Offizielle Informationen für KI (Deutsch)](https://www.happycoders.eu/de/fuer-ki/): Strukturierte, KI-optimierte Fakten über HappyCoders.eu
- [About Sven Woltmann](https://www.happycoders.eu/about-sven-woltmann/): Biography, expertise, and background of the founder
- [Über Sven Woltmann (Deutsch)](https://www.happycoders.eu/de/ueber-sven-woltmann/): Biografie, Expertise und Werdegang des Gründers
- [Contact](https://www.happycoders.eu/contact/): Contact form and booking link
- [Kontakt (Deutsch)](https://www.happycoders.eu/de/kontakt/): Kontaktformular und Buchungslink

## Training

- [Java Training Courses](https://www.happycoders.eu/java-trainings/): Overview of in-house Java training offerings for teams; the AI pages above list every course with its duration
- [Java-Schulungen (Deutsch)](https://www.happycoders.eu/de/java-schulungen/): Überblick über die Inhouse-Java-Trainings für Teams; die KI-Seiten oben führen jeden Kurs mit Dauer

## Blog

- [Blog](https://www.happycoders.eu/blog/): All articles, newest first
- [Blog (Deutsch)](https://www.happycoders.eu/de/blog/): Alle Artikel, neueste zuerst
- [Java](https://www.happycoders.eu/java/): In-depth Java articles (collections, concurrency, performance, modern Java features)
- [Java (Deutsch)](https://www.happycoders.eu/de/java/): Tiefgehende Java-Artikel (Collections, Concurrency, Performance, moderne Java-Features)
- [Algorithms & Data Structures](https://www.happycoders.eu/algorithms/): Tutorials on algorithms and data structures with Java examples
- [Algorithmen & Datenstrukturen (Deutsch)](https://www.happycoders.eu/de/algorithmen/): Tutorials zu Algorithmen und Datenstrukturen mit Java-Beispielen
- [Software Craftsmanship](https://www.happycoders.eu/software-craftsmanship/): Articles on clean code, architecture, and best practices
- [Software Craftsmanship (Deutsch)](https://www.happycoders.eu/de/software-craftsmanship/): Artikel zu sauberem Code, Architektur und Best Practices
…

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