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Full Name
Sven Woltmann
Full Name
ACE Associate
Top Level Details
Job Role
Java Consultant & Trainer
Company
HappyCoders GmbH
Country
Germany
Top Expertise
Java
Focus Area
Java
About Sven
Sven Woltmann is a seasoned Java expert. As an independent consultant and trainer, he helps companies modernize and future-proof their Java applications – through performance workshops, targeted training on modern Java features, and ongoing support during implementation. He regularly shares his expertise at conferences, in videos, through his newsletter, and on his blog, HappyCoders.eu.
Expertises
Java
Home Page
https://www.happycoders.eu/
Links
Latest Contributions
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Stream Gatherers: Write Your Own Stream Operations!
Dec 23, 2025 - Podcast/Video -
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Stream Gatherers - Schreibe deine eigenen Stream-Operationen!
Dec 23, 2025 - Podcast/Video -
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Hexagonal Architecture: Robust Software With Interfaces Instead of Layers
Dec 16, 2025 - Podcast/Video -
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Hexagonale Architektur: Robuste Software dank Schnittstellen statt Schichten
Dec 14, 2025 - Podcast/Video -
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Advent of Code 2025 – Java 25 Solutions
Dec 05, 2025 - Blog post -
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Advent of Code 2025 – Java Solutions
Dec 05, 2025 - Blog post -
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Java 26 Features (with Examples)
Dec 03, 2025 - Blog post -
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ChatGPT sagt: „Java 25 ist ein Gamechanger!“ – Ich prüfe das!
Oct 06, 2025 - Podcast/Video -
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