JCON Java Conferences

Choose your JCON experience

JCON EUROPE 2025

May 12 - 15

Discover the heartbeat of Java: JCON EUROPE, where community and code collide! Experience it on the big screen at Cinedom Multiplex Cinema in Cologne, Germany.

IN-PERSON EVENT

JCON OpenBlend Slovenia 2025

May 28 - 30

Be part of the in-person Java community conference in Portorož, Slovenia – organized by two user groups: OpenBlend & SIOUG in cooperation with JCON.

IN-PERSON EVENT

JCON WORLD ONLINE 2023

Nov 21 - 23

Over 2,600+ attendees from 80+ countries on six continents joined JCON WORLD ONLINE 2023. Recordings are online!

Online Event

Looking for a JCON from a previous year? We got you covered.

Past JCONs