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DigitalMara has collected a list of upcoming Java events in 2023, both in-person and online. Conferences, exhibitions and workshops are held as part of these events. Taking part in a Java conference is one of the best ways for Java devs, tech people and anyone related to IT to expand their knowledge, stay up to date with current development trends, build connections and do some networking. For companies and experts, it’s an opportunity to showcase their products and services, and share their experience. 

Event 1Summit for Java Devs’23  

When: February 21–22  

Where: Online  

This event will cover a wide range of Java topics, including JDK 19 latest updates, security and vulnerability management, chaos engineering for resilience and robustness, the project loom model, open telemetry in JVM, flight recorders and much more. The conference has two separate tracks, for middle and senior specialists, and for juniors.  

Prices: full access $350; for juniors, free access to Junior Track and Live Q&A panels.  

Event 2 – ConFoo 2023  

When: February 22–24  

Where: Montreal, Canada  

This is a multi-technology conference for developers, analysts and project managers, covering 10 major programming topics, including Java & JVM languages. Participants can attend numerous tech talks and workshops. And companies can promote their products and services in the exhibition.  

Prices: conference ticket $1100, workshops from $700 to $1200.  

Event 3 – JavaLand 2023  

When: March 21–23  

Where: Brühl, Germany  

JavaLand is a two-day conference and an entire third day of training in small groups. It includes presentations, community activities, exhibitions, workshops, knowledge and experience exchanging and networking. In 2022, there were more than 1200 participants, all Java fans. With JavaLand Studio team, all sessions are recorded, so that participants can watch the live stream and have online access to lectures from previous years. 

Prices: full ticket €1.500  

Event 4 – Voxxed Days Bucharest 2023  

When: March 22–24  

Where: Bucharest, Romania  

Voxxed Days Bucharest combines a conference, community meetups and trainings and covers the following topics: Java, cloud, architecture, Data & AI, modern languages and DevOps. The event brings together popular speakers, core developers of popular open-source technologies and professionals willing to share their knowledge and experience. There are more than 1000 participants annually.  

Prices: from €300  

Event 5 – GeeCON 2023  

When: April 19–21  

Where: Krakow, Poland  

GeeCON has a main focus on Java and JVM-based technologies, and some parts are devoted to Groovy and Scala. The event is dedicated to the exchange of experience on modern software development methodologies, corporate architectures, software development skills, design patterns, distributed computing and much more.  

Prices: €269 + VAT  

Event 6 – JAlba 2023  

When: May 4  

Where: Edinburgh, United Kingdom  

JAlba is an “unconference” devoted to Java, the Java ecosystem and other wider technology questions. This is a nonprofit event aiming to build strong connections in the Java community, sharing knowledge and experience.  

Prices: £150  

Event 7 – Java Day Istanbul 2023  

When: May 6  

Where: Istanbul, Turkey  

Java Day Istanbul, supported by the Istanbul Java User Group, is one of the most important software conferences in Turkey. The conference covers the newest technologies and trends in Java, web, mobile, Big Data, cloud, DevOps, Agile and future. It’s also a networking opportunity for developers, tech companies, and startups.  

Prices:  2.999₺ + %18 VAT  

Event 8 – JAX 2023  

When: May 8–12  

Where: Mainz, Germany  

JAX is a leading conference for enterprise technologies, software architecture, agility and Java in Europe. The event hosts sessions and workshops in 7 tracks and is a platform for business networking. The event will be carried out in a hybrid format.  

Prices: from €699 to €2.499  

Event 9 Devoxx UK 2023  

When: May 10–12  

Where: London, United Kingdom  

Devoxx is a 3-day developer community conference concentrating on the most vital developer-focused topics and latest technology advances, and delving into some fascinating ideas. The event has over 170 sessions covering Java, cloud, data, AI, Machine Learning, robotics, programming languages, security, architecture, developer practices, culture and more. In mini labs, developers can work together on plugins, new features, bug fixes, improved documentation etc.  

Prices: £745.00 + 20.00% VAT  

Event 10 – I Code Java Cape Town 2023  

When: May 10–11  

Where: Cape Town, South Africa  

I Code Java is Africa’s longest running Java and Kotlin conference. It’s a community-driven event that has a focus on coding, architecture and developing leadership skills. Virtual participation is possible.  

Prices: from R 1.450  

Event 11 – JCON OpenBlend Slovenia 2023  

When: June 1–2  

Where: Portorož, Slovenia  

The conference is part of events held on behalf of JCON and is dedicated to Java-related content: Agile methodologies, cloud native development, Java architecture, mobile development, UI and UX and many more. JCON Slovenia will be coupled with MakeIT devoted to Oracle.  

Prices: not available yet.  

Event 12 – JCON Europe 2023  

When: June 20–23  

Where: Cologne, Germany  

JCON Europe is an annual event created for the Java community by the Java User Group Oberpfalz in cooperation with JAVAPRO Magazine. The event hosts a conference, exhibitions and workshops. In general, JCON has its focus on core Java, serverside Java, APIs and Frameworks. However, the main topic of this year will be Java-Cloud-Native and Microservices.  

Prices: €639.20, for JUG members free  

Event 13 – J-Spring 2023  

When: June 21  

Where: Utrecht, Netherlands  

J-Spring is organized by the Dutch Java User Group. It’s one day of sessions by Java experts. To attend this event, one should be a member of the NLJUG. The community unites software developers, architects, ICT managers, students, new media developers and business partners with a general interest in all aspects of Java technology.  

Prices:  € 59.50 (incl. 9% VAT) for the membership  

Event 14 – DevBcn  

When: July 3–5  

Where: Barcelona, Spain  

The Barcelona Developers Conference 2023 is a rebranding of the biggest Java & JVM conference in Spain, to include more technologies and tracks. Starting from this year, the conference has 7 tracks. Besides the core topics, participants share their knowledge and experiences and learn more about new technologies related to backend and frontend development, Agile, DevOps, cloud, Kubernetes, big data, AI and many others.  

Prices: starting from €300  

Event 15 – JCrete 2023  

When: July 11–16  

Where: Online  

JCrete is an open spaces “unconference”, creating infrastructure for exchanging ideas. The event doesn’t have a set schedule. It is a participant-driven meeting, meaning only the participants decide which questions will be discussed and practiced.  

Prices: invitation-only conference, no conference fee. 

Event 16 Java Forum Nord 2023  

When: September 12  

Where: Hannover, Germany  

Java Forum Nord is a community conference supported by Java User Groups from the north. Last year it presented 30 lectures on topics of Java, agility and UI automation, open source, cross-team, maintainability of systems and more.  

Prices: not available yet.  

Event 17 – JUG Saxony Day 2023  

When: September 29  

Where: Radebeul, Germany  

JUG Saxony Day 2023 was created by Java enthusiasts to promote knowledge exchange and networking. The event has 6 tracks: Java, Cloud, Architecture, Quality, and IT and Society. To make things simpler, the team has created the JSD, where participants can buy tickets, read information about sessions and rate them.  

Prices: not available yet.  

Event 18 – I Code Java Johannesburg 2023  

When: October 11–12  

Where: Johannesburg, South Africa  

This is the second part of the Java & Kotlin event in Africa. Virtual participation is also possible.  

Prices: not available yet.  

Event 19 – Accento  

When: October 24–25  

Where: Karlsruhe, Germany  

Accento is an event for experienced and expert-level Java, JavaScript and web developers that combines a conference on the first day with training on the second day.  

Prices: not available yet.  

Event 20  – JCON World 2023  

When: November 21–24  

Where: Online  

This is the final stage of events under the patronage of Java User Group Oberpfalz and JAVAPRO Magazine. The online format allows more participants from all over the world to join.  

Prices: not available yet.