Java conferences in Cologne 2025 / 2026

Conferences Europe Germany Cologne Java
Asia 4
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PL Poland 4
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GB United Kingdom 4

Best Java conferences 2025 / 2026

Best conference
The Principal Dev – Masterclass for Tech Leads

The Principal Dev – Masterclass for Tech Leads

Certification masterclass for experienced software engineers.

Best conference
Clean Architecture Masterclass

Clean Architecture Masterclass

Certification masterclass for experienced Java developers.

Best conference
Clean Code: The Next Level

Clean Code: The Next Level

Advanced clean code certification training for Java developers.

java

JCON EUROPE

Java conference in Cologne, Germany, Europe

java

JCON EUROPE 2025

Java conference in Cologne, Germany, Europe

java

JCON EUROPE 2025

Java conference in Cologne, Germany, Europe