Name: Jfokus
Start: 2026-02-02T07:00:00+00:00
End: 2026-02-05T07:00:00+00:00
Location: Stockholm

Overview

Jfokus

Schedule

95 events • 6 concurrent events

Day 1

Registration

8:00 am to 9:00 am

Registration

Hands-on-lab

9:00 pm to 12:30 pm

Hands-on-lab: Break your testing habits

Room 24/25

Hands-on-lab

9:00 pm to 12:30 pm

TDB

Room 27

Session

9:00 am to 10:30 am

JVM in the Age of AI: 2026 Edition

Room C1

Session

9:00 am to 10:30 am

Understanding Prompt Injection - Techniques, Challenges, and Advanced Escalation

Room C3

Session

11:00 pm to 12:30 pm

TDB

Room C1

Session

11:00 pm to 12:30 pm

Did you really get better?

Room C3

6 concurrent sessions

Lunch

12:30 pm to 1:30 pm

Lunch

Hands-on-lab

1:30 pm to 5:00 pm

Hands-on-lab: Developping an Asynchronous Application with Virtual Threads and Structured Concurrency

Room 24/25

Hands-on-lab

1:30 pm to 5:00 pm

TDB

Room 27

Session

1:30 pm to 3:00 pm

AI-Assisted Engineering Applied: The Battle of Agents

Room C1

Session

1:30 pm to 3:00 pm

I Didn't Know You Could Do That With Java Streams!?

Room C3

Session

3:30 pm to 5:00 pm

Building AI Agents with Spring & MCP

Room C1

Session

3:30 pm to 5:00 pm

Java's Concurrency Journey Continues! Exploring Structured Concurrency and Scoped Values

Room C3

6 concurrent sessions

Day 2

Registration

8:00 am to 9:00 am

Registration

Session

9:00 am to 9:15 am

Welcome and introduction

Room A1

Session

9:00 am to 9:15 am

TDB

Room A4

2 concurrent sessions

Keynote

9:15 am to 9:45 am

Keynote

Room A1

Session

9:15 am to 9:45 am

TDB

Room A4

2 concurrent sessions

Keynote

9:45 am to 10:15 am

Keynote

Room A1

Session

9:45 am to 10:15 am

TDB

Room A4

2 concurrent sessions

Break

10:30 am to 11:00 am

Coffee Break

Session

11:00 am to 11:50 am

Java: To infinity and beyond

Room A1

Session

11:00 am to 11:50 am

Java Meets AI: Empowering Spring Developers to Build Intelligent Apps

Room A2

Session

11:00 am to 11:50 am

Dehumanizing Agents: Why Explainability is Crucial in the LLM Era

Room A4

Session

11:00 am to 11:50 am

Case study BYLES: How Java, standards, and community helped education equality

Room C1

Session

11:00 am to 11:50 am

Introduction to Verifiable Credentials

Room C3

Session

11:00 am to 11:50 am

GitOps for Java: Cloud-Native Application Delivery Without the Headaches

Room C4

6 concurrent sessions

Lunch

12:00 pm to 1:00 pm

Lunch

Session

1:00 pm to 1:50 pm

More Action, More Overview – From 4k to 1M Threads

Room A1

Session

1:00 pm to 1:50 pm

Take the Polar Plunge: A Fearless Introduction to Apache Iceberg

Room A2

Session

1:00 pm to 1:50 pm

Tame your Llama, run AI in Java

Room A4

Session

1:00 pm to 1:50 pm

Machines, Learning, and Machine Learning

Room C1

Session

1:00 pm to 1:50 pm

Please pass the salt: Serve up passwords with a side of entropy

Room C3

Session

1:00 pm to 1:50 pm

On an adventure into the depths of Maven

Room C4

Hands-on-lab

1:00 pm to 5:00 pm

TDB

Room 26

Session

2:00 pm to 2:50 pm

JDK 25's new CPU-Time Profiler

Room A1

Session

2:00 pm to 2:50 pm

Bootiful Spring Boot 4

Room A2

Session

2:00 pm to 2:50 pm

Agents, Tools, and MCP, oh my! Next-level AI concepts for developers

Room A4

Session

2:00 pm to 2:50 pm

Hack Your Brain: Smarter Learning for Devs

Room C1

Session

2:00 pm to 2:50 pm

From Theory to Practice: Real-World Lessons in Post-Quantum Cryptography Migration

Room C3

Session

2:00 pm to 2:50 pm

TDB

Room C4

Break

3:00 pm to 4:00 pm

Coffee Break

Session

3:35 pm to 3:50 pm

Three flavors of generational GC: G1, ZGC, Shenandoah

Room A1

Session

3:35 pm to 3:50 pm

TDB

Room A2

Session

3:35 pm to 3:50 pm

Green AI with JobRunr: Sustainable training and inference on the JVM

Room C1

Session

3:35 pm to 3:50 pm

Help, I'm an Architect for an Open Source Project!

Room C3

Session

4:00 pm to 4:50 pm

Virtual Threads, Structured Concurrency and Scoped Values: Putting it all together

Room A1

Session

4:00 pm to 4:50 pm

When ORM Becomes OMG: Performance Pitfalls in JPA and Friends

Room A2

Session

4:00 pm to 4:50 pm

Agentic AI Patterns

Room A4

Session

4:00 pm to 4:50 pm

Healthy Geeks, Better Code: Lessons from Fitness and AI

Room C1

Session

4:00 pm to 4:50 pm

TDB

Room C3

Session

4:00 pm to 4:50 pm

Beyond Code Generation: Governing AI Agents Across the DevSecOps Lifecycle

Room C4

24 concurrent sessions

Session

5:00 pm to 5:50 pm

Modern Java Puzzlers

Room A1

Session

5:00 pm to 5:50 pm

Unbundling of the Cloud Data Warehouse: Open Source Databases and Data Lakes

Room A2

Session

5:00 pm to 5:50 pm

Writing GPU-Ready AI Models in Pure Java with Babylon

Room A4

Session

5:00 pm to 5:50 pm

How to build your own fun and absurd pair programmer

Room C1

Session

5:00 pm to 5:50 pm

Ask the Java Architects

Room C3

Session

5:00 pm to 5:50 pm

Why we skipped SRE and switched to Platform Engineering?

Room C4

6 concurrent sessions

Exhibition

6:00 pm to 11:00 pm

Exhibition

Day 3

Exhibition

8:00 am to 9:00 am

Exhibition

Session

9:00 am to 9:50 am

Make Your Code Parallel with the Structured Concurrency API

Room A1

Session

9:00 am to 9:50 am

From Monoliths to Modern Integration Platforms

Room A2

Session

9:00 am to 9:50 am

Herding LLMs: Predictable Outcomes from Unpredictable Agents

Room A4

Session

9:00 am to 9:50 am

TDB

Room C1

Session

9:00 am to 9:50 am

Never Trust a Monkey: The Chasm, the Craft, and the Chain of AI-Assisted Code

Room C3

Session

9:00 am to 9:50 am

Full-stack web apps, 100% Java

Room C4

6 concurrent sessions

Break

9:50 am to 10:10 am

Coffee Break

Session

10:10 am to 11:00 am

Level Up Your Java Streams with Gatherers

Room A1

Session

10:10 am to 11:00 am

Unbreakable by Design: The Secret Tech of Antifragile Software

Room A2

Session

10:10 am to 11:00 am

Beyond local tools: Dive into the Model Context Protocol (MCP)

Room A4

Session

10:10 am to 11:00 am

TDB

Room C1

Session

10:10 am to 11:00 am

Spec-driven Development using Coding Agents

Room C3

Session

10:10 am to 11:00 am

GraalVM + Wasm: Fast, Efficient, Portable Apps

Room C4

6 concurrent sessions

Session

11:10 pm to 12:00 pm

TDB

Room A1

Session

11:10 pm to 12:00 pm

Top 10 Event-Driven Architecture Pitfalls

Room A2

Session

11:10 pm to 12:00 pm

Context Engineering: Connecting the Dots with Graphs

Room A4

Session

11:10 pm to 12:00 pm

From Silent Coder to Respected Leader

Room C3

4 concurrent sessions

Lunch

12:00 pm to 1:00 pm

Lunch

Session

1:00 pm to 1:50 pm

Supercharge your JVM performance with Project Leyden

Room A1

Session

1:00 pm to 1:50 pm

Strangling the dragon: modernizing legacy systems with the Strangler Fig pattern

Room A2

Session

1:00 pm to 1:50 pm

High Speed Java Development with LLMs and Agents: Fast, Clean, Maintainable

Room A4

Session

1:00 pm to 1:50 pm

TDB

Room C1

Session

1:00 pm to 1:50 pm

Intelligent JVM Monitoring: Combining JDK Flight Recorder with AI

Room C3

Session

1:00 pm to 1:50 pm

The Browser is a Marvelous Thing

Room C4

6 concurrent sessions

Session

2:00 pm to 2:50 pm

Observing Project Valhalla

Room A1

Session

2:00 pm to 2:50 pm

TDB

Room A2

Session

2:00 pm to 2:50 pm

The Psychology of Code

Room C1

Session

2:00 pm to 2:50 pm

Brokk: an AI-Native Code Platform

Room C3

Session

2:00 pm to 2:50 pm

Shift Left on Accessibility: Beyond the Audit

Room C4

5 concurrent sessions

Break

3:00 pm to 4:00 pm

Coffee Break

Session

3:35 pm to 3:50 pm

TDB

Room A1

Session

3:35 pm to 3:50 pm

DIY Technical Marketing - Real World Tips For Building A Successful Developer Brand

Room C4

3 concurrent sessions

Keynote

4:00 pm to 4:15 pm

Keynote

Room A1

Keynote

4:15 pm to 5:30 pm

Keynote

Room A1

Session Details

Registration

8:00 am to 9:00 am

Overview

Jfokus

Schedule

95 events • 6 concurrent events

Day 1

Registration

8:00 am to 9:00 am

Registration

Hands-on-lab

9:00 pm to 12:30 pm

Hands-on-lab: Break your testing habits

Room 24/25

Hands-on-lab

9:00 pm to 12:30 pm

TDB

Room 27

Session

9:00 am to 10:30 am

JVM in the Age of AI: 2026 Edition

Room C1

Session

9:00 am to 10:30 am

Understanding Prompt Injection - Techniques, Challenges, and Advanced Escalation

Room C3

Session

11:00 pm to 12:30 pm

TDB

Room C1

Session

11:00 pm to 12:30 pm

Did you really get better?

Room C3

6 concurrent sessions

Lunch

12:30 pm to 1:30 pm

Lunch

Hands-on-lab

1:30 pm to 5:00 pm

Hands-on-lab: Developping an Asynchronous Application with Virtual Threads and Structured Concurrency

Room 24/25

Hands-on-lab

1:30 pm to 5:00 pm

TDB

Room 27

Session

1:30 pm to 3:00 pm

AI-Assisted Engineering Applied: The Battle of Agents

Room C1

Session

1:30 pm to 3:00 pm

I Didn't Know You Could Do That With Java Streams!?

Room C3

Session

3:30 pm to 5:00 pm

Building AI Agents with Spring & MCP

Room C1

Session

3:30 pm to 5:00 pm

Java's Concurrency Journey Continues! Exploring Structured Concurrency and Scoped Values

Room C3

6 concurrent sessions

Day 2

Registration

8:00 am to 9:00 am

Registration

Session

9:00 am to 9:15 am

Welcome and introduction

Room A1

Session

9:00 am to 9:15 am

TDB

Room A4

2 concurrent sessions

Keynote

9:15 am to 9:45 am

Keynote

Room A1

Session

9:15 am to 9:45 am

TDB

Room A4

2 concurrent sessions

Keynote

9:45 am to 10:15 am

Keynote

Room A1

Session

9:45 am to 10:15 am

TDB

Room A4

2 concurrent sessions

Break

10:30 am to 11:00 am

Coffee Break

Session

11:00 am to 11:50 am

Java: To infinity and beyond

Room A1

Session

11:00 am to 11:50 am

Java Meets AI: Empowering Spring Developers to Build Intelligent Apps

Room A2

Session

11:00 am to 11:50 am

Dehumanizing Agents: Why Explainability is Crucial in the LLM Era

Room A4

Session

11:00 am to 11:50 am

Case study BYLES: How Java, standards, and community helped education equality

Room C1

Session

11:00 am to 11:50 am

Introduction to Verifiable Credentials

Room C3

Session

11:00 am to 11:50 am

GitOps for Java: Cloud-Native Application Delivery Without the Headaches

Room C4

6 concurrent sessions

Lunch

12:00 pm to 1:00 pm

Lunch

Session

1:00 pm to 1:50 pm

More Action, More Overview – From 4k to 1M Threads

Room A1

Session

1:00 pm to 1:50 pm

Take the Polar Plunge: A Fearless Introduction to Apache Iceberg

Room A2

Session

1:00 pm to 1:50 pm

Tame your Llama, run AI in Java

Room A4

Session

1:00 pm to 1:50 pm

Machines, Learning, and Machine Learning

Room C1

Session

1:00 pm to 1:50 pm

Please pass the salt: Serve up passwords with a side of entropy

Room C3

Session

1:00 pm to 1:50 pm

On an adventure into the depths of Maven

Room C4

Hands-on-lab

1:00 pm to 5:00 pm

TDB

Room 26

Session

2:00 pm to 2:50 pm

JDK 25's new CPU-Time Profiler

Room A1

Session

2:00 pm to 2:50 pm

Bootiful Spring Boot 4

Room A2

Session

2:00 pm to 2:50 pm

Agents, Tools, and MCP, oh my! Next-level AI concepts for developers

Room A4

Session

2:00 pm to 2:50 pm

Hack Your Brain: Smarter Learning for Devs

Room C1

Session

2:00 pm to 2:50 pm

From Theory to Practice: Real-World Lessons in Post-Quantum Cryptography Migration

Room C3

Session

2:00 pm to 2:50 pm

TDB

Room C4

Break

3:00 pm to 4:00 pm

Coffee Break

Session

3:35 pm to 3:50 pm

Three flavors of generational GC: G1, ZGC, Shenandoah

Room A1

Session

3:35 pm to 3:50 pm

TDB

Room A2

Session

3:35 pm to 3:50 pm

Green AI with JobRunr: Sustainable training and inference on the JVM

Room C1

Session

3:35 pm to 3:50 pm

Help, I'm an Architect for an Open Source Project!

Room C3

Session

4:00 pm to 4:50 pm

Virtual Threads, Structured Concurrency and Scoped Values: Putting it all together

Room A1

Session

4:00 pm to 4:50 pm

When ORM Becomes OMG: Performance Pitfalls in JPA and Friends

Room A2

Session

4:00 pm to 4:50 pm

Agentic AI Patterns

Room A4

Session

4:00 pm to 4:50 pm

Healthy Geeks, Better Code: Lessons from Fitness and AI

Room C1

Session

4:00 pm to 4:50 pm

TDB

Room C3

Session

4:00 pm to 4:50 pm

Beyond Code Generation: Governing AI Agents Across the DevSecOps Lifecycle

Room C4

24 concurrent sessions

Session

5:00 pm to 5:50 pm

Modern Java Puzzlers

Room A1

Session

5:00 pm to 5:50 pm

Unbundling of the Cloud Data Warehouse: Open Source Databases and Data Lakes

Room A2

Session

5:00 pm to 5:50 pm

Writing GPU-Ready AI Models in Pure Java with Babylon

Room A4

Session

5:00 pm to 5:50 pm

How to build your own fun and absurd pair programmer

Room C1

Session

5:00 pm to 5:50 pm

Ask the Java Architects

Room C3

Session

5:00 pm to 5:50 pm

Why we skipped SRE and switched to Platform Engineering?

Room C4

6 concurrent sessions

Exhibition

6:00 pm to 11:00 pm

Exhibition

Day 3

Exhibition

8:00 am to 9:00 am

Exhibition

Session

9:00 am to 9:50 am

Make Your Code Parallel with the Structured Concurrency API

Room A1

Session

9:00 am to 9:50 am

From Monoliths to Modern Integration Platforms

Room A2

Session

9:00 am to 9:50 am

Herding LLMs: Predictable Outcomes from Unpredictable Agents

Room A4

Session

9:00 am to 9:50 am

TDB

Room C1

Session

9:00 am to 9:50 am

Never Trust a Monkey: The Chasm, the Craft, and the Chain of AI-Assisted Code

Room C3

Session

9:00 am to 9:50 am

Full-stack web apps, 100% Java

Room C4

6 concurrent sessions

Break

9:50 am to 10:10 am

Coffee Break

Session

10:10 am to 11:00 am

Level Up Your Java Streams with Gatherers

Room A1

Session

10:10 am to 11:00 am

Unbreakable by Design: The Secret Tech of Antifragile Software

Room A2

Session

10:10 am to 11:00 am

Beyond local tools: Dive into the Model Context Protocol (MCP)

Room A4

Session

10:10 am to 11:00 am

TDB

Room C1

Session

10:10 am to 11:00 am

Spec-driven Development using Coding Agents

Room C3

Session

10:10 am to 11:00 am

GraalVM + Wasm: Fast, Efficient, Portable Apps

Room C4

6 concurrent sessions

Session

11:10 pm to 12:00 pm

TDB

Room A1

Session

11:10 pm to 12:00 pm

Top 10 Event-Driven Architecture Pitfalls

Room A2

Session

11:10 pm to 12:00 pm

Context Engineering: Connecting the Dots with Graphs

Room A4

Session

11:10 pm to 12:00 pm

From Silent Coder to Respected Leader

Room C3

4 concurrent sessions

Lunch

12:00 pm to 1:00 pm

Lunch

Session

1:00 pm to 1:50 pm

Supercharge your JVM performance with Project Leyden

Room A1

Session

1:00 pm to 1:50 pm

Strangling the dragon: modernizing legacy systems with the Strangler Fig pattern

Room A2

Session

1:00 pm to 1:50 pm

High Speed Java Development with LLMs and Agents: Fast, Clean, Maintainable

Room A4

Session

1:00 pm to 1:50 pm

TDB

Room C1

Session

1:00 pm to 1:50 pm

Intelligent JVM Monitoring: Combining JDK Flight Recorder with AI

Room C3

Session

1:00 pm to 1:50 pm

The Browser is a Marvelous Thing

Room C4

6 concurrent sessions

Session

2:00 pm to 2:50 pm

Observing Project Valhalla

Room A1

Session

2:00 pm to 2:50 pm

TDB

Room A2

Session

2:00 pm to 2:50 pm

The Psychology of Code

Room C1

Session

2:00 pm to 2:50 pm

Brokk: an AI-Native Code Platform

Room C3

Session

2:00 pm to 2:50 pm

Shift Left on Accessibility: Beyond the Audit

Room C4

5 concurrent sessions

Break

3:00 pm to 4:00 pm

Coffee Break

Session

3:35 pm to 3:50 pm

TDB

Room A1

Session

3:35 pm to 3:50 pm

DIY Technical Marketing - Real World Tips For Building A Successful Developer Brand

Room C4

3 concurrent sessions

Keynote

4:00 pm to 4:15 pm

Keynote

Room A1

Keynote

4:15 pm to 5:30 pm

Keynote

Room A1

Session Details

Registration

8:00 am to 9:00 am