February

February
3-5

Jfokus

Stockholm, Sweden

One of the most popular Java conferences returns again next year with a focus on microservices. Speakers include Java Champions Kirk Pepperdine and Bruno Borges (both from Microsoft), Rafael Winterthaler (of Byte Buddy fame), and experts such as Clement Escoffier (of vert.x), among others.

February
19-21

DevNexus

Atlanta, Georgia

One of the first major conferences on the US calendar, DevNexus has a wide-ranging focus, mostly aimed at Java, but also covering other topics this year such as microservices architecture, Kubernetes, Domain-Driven Design, and more. The Java track includes sessions on the upcoming release of JMS, the future of JavaFX, grokking the changes in Java 9-14, and so forth.

March

March
2-6

QCON LONDON

London, United Kingdom

This conference has many tracks covering a wide range of developer topics, including topics of legal and cultural aspects of programming, as well as technical tracks on evolving the Java language, streaming data architectures, Kubernetes, and machine learning, among others.

March
10

VOXXED DAYS ZüRICH

Zürich, Switzerland

The fifth year running of this one-day conference has tracks on the Java language, server-side Java, cloud computing, big data, architecture, methodology, and the modern web. Java Champions Matt Raible, Nicolai Parlog, Andres Almiray, and others are scheduled to present.

March
14

Java Day Istanbul

Istanbul, Turkey

This one-day event has 25 sessions in three tracks presented by leading Java developers and experts in Turkey.

March
17-19

JAVALAND

Brühl, Germany

A reunion of Java and programming experts held in an amusement park. The theme this year is Microservices, and many of the more than 100 sessions cover deploying Java applications in containers and in the cloud. Sessions presented in English and German cover Kubernetes, React, continuous development, Java after version 8, and many more related topics.

May

May
11-15

JAX

Mainz, Germany

This popular conference, now in its 15th year, focuses primarily on Java. Tracks include: cloud and Kubernetes, core Java language and the JVM, microservices, machine learning, software architecture, and more.