JavaOne 2016 was a major Java community event held in San Francisco from September 18-22, coinciding with Oracle OpenWorld, attracting around 50,000 participants, including several hundreds from Finland. Key topics discussed included updates on Java EE 8, the roadmap for Java EE 9, and advancements in microservices support. The event also featured resources for further learning, including links to videos and GitHub repositories relevant to the Java ecosystem.