London Java Community The home for those who work with
Java and the JVM

Our Initiatives

The LJC has many initiatives, all volunteer lead and founded by our organisers and members. Read about our initiatives below.

Adopt a JSR

The LJC has a seat on the JCP and runs Adopt a JSR programme for Java SE (at OpenJDK), Java ME and Java EE (now Jakarta EE).”

Microprofile

The LJC is a founding member of microprofile.io –
a new community around building a defacto set of API’s and implementations for Microservices in Java.

GitHub

The LJC maintains a GitHub repository with LJC specific tutorials etc. Note, most LJC work actually occurs at Adopt OpenJDK, Adopt a JSR, Microprofile and EE4J.

Adopt OpenJDK

Adopt OpenJDK is a programme for supporting OpenJDK (i.e. Java). The LJC works on OpenJDK, and helps run the AdoptOpenJDK build farm.

Speakers Clinic

Working in collaboration with Devoxx UK and Meet a Mentor the LJC organises events to encourage the next generation of speakers.

Jakarta EE / EE4J

The LJC is a founding member of Jakarta EE / EE4J – the new home for Java EE at the Eclipse Foundation.

Our Sponsors

What is LJC about?

The LJC is a broad community of technologists and other associate with Java and JVM related technologies. Although it is based in London, UK – it has some international membership due to its global programmes (such as Adopt a JSR and Adopt OpenJDK). The LJC hosts regular events including casual catch-ups in a cafe, hackdays, evening talks, unconferences, workshops, mentoring, demos, a career mentoring by london’s
Java specialists and much more.

The LJC acts as a voice for Java engineers in London UK as well as globally. This includes but is not limited to helping run a build farm for Java, representing Java developers worldwide on the Java standards body and contributes towards charitable works.

Learn more

Join Meetups

Our meetups range from small focus groups deep diving into a tech through to regular 100+ attendee presentations by the world’s leading technologists. There’s several events to join each month!

upcoming events

Talk to us on Slack

Our LJC Slack group is a vibrant real time community where you can speak with your fellow technologists and world leading experts about topics that matter to you!

Become a Speaker

The LJC actively encourages speakers of all levels, including novice ones! We hold regular speaker clinics to train the next generation of confident technology speakers.

Learn More

Sponsor the LJC

The LJC as multitude of events and global initiatives impacting hundreds of thousands of developers due to the generosity of Recworks, volunteers and key sponsors. You can donate directly below or talk to us about a sponsorship package.

LJC Unconference 2017

Once a year we have our annual Unconference. This is our best event of the year, is always sold out and has been the starting point for many international conference speakers. Read more on the site here:

Learn More

LJC Leaders

Martijn Verburg

Co-Leader

Barry Cranford

Founder / Co-organiser

Simon Maple