Name: Amsterdam JUG @ Trifork
Start: 2025-06-17T16:00:00.000Z
Location: Trifork

**\*\*\*\*PLEASE REGISTER HERE:**
**[https://trifork.nl/events/spring-boot-masterclass-taster-june-17](https://trifork.nl/events/spring-boot-masterclass-taster-june-17)\*\*\*\***

**ABOUT THE EVENT**
Join Trifork Academy and GOTO for a free live virtual taster event with Trifork Amsterdam’s CTO, Joris Kuipers, who brings over 20 years of Spring expertise dating back to his time at SpringSource.
This engaging 2-hour session will give you a sneak peek into the **Spring: Core Masterclass** — showing why this 4-day course is essential for anyone ready to master Spring.

Joris will walk you through a **LIVE demo**, showcasing what you can build and achieve after completing the full course. Expect practical insights, tips, and a glimpse of the hands-on learning experience offered in the masterclass.

**What we’ll cover:**

* Setting up a new application with Spring Boot
* Providing a REST API using Spring-MVC
* Using a relational database with Spring Data JPA
* Writing integration tests that run your application without the need to deploy it
* Adding basic support for authentication and authorization via Spring Security
* Using Boot’s actuator for monitoring and management

**Note:** All these topics — and much more — are explored in depth during the **4-day Spring: Core Masterclass**. Learn more about the course here: [Spring: Core Masterclass](https://trifork.nl/academy/our-courses/spring-core/)

**Prerequisites:** Basic experience with Spring (especially dependency injection) and Java as an enterprise programming language.

**\*\*\*\*PLEASE REGISTER HERE:**
**[https://trifork.nl/events/spring-boot-masterclass-taster-june-17](https://trifork.nl/events/spring-boot-masterclass-taster-june-17)\*\*\*\***

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Get Ahead with Spring: Live Demo + Course Sneak Peek with Joris Kuipers

Online event

Join us for this exciting Amsterdam JUG Meetup hosted at the Trifork office, in collaboration with the Amsterdam Java User Group.

Upon arrival, take the elevator to the **5th floor** where the Amsterdam JUG and the Trifork team will be ready to welcome you.

For more details and discussions on the below, go to [bit.ly/join-foojay-slack](http://bit.ly/join-foojay-slack) to join the Friends of OpenJDK ([Foojay.io](http://foojay.io/)) Slack and use the #jug-amsterdam channel for conversations related to the below.

Notes:

* Complimentary parking is available, request a spot by sending a mail to [amsterdamjug@googlegroups.com.](http://amsterdamjug@googlegroups.com./) Parking spots are limited and not guaranteed, first come, first served. Make sure to submit your request at least one week before the event.
* Vegetarian options: we'll make sure that we cater both to vegetarians and non-vegetarians.

Venue/Host: Vlaardingenlaan 15, 1062HM Amsterdam
Costs: Free of charge
Speakers: Joris Kuipers, Jeremy Meiss, Raphael de Lio, and Jonathan Vila

**ABOUT THE TALKS**
**Runtime Configuration Updates with Spring Boot** (Joris Kuipers)
Spring Boot applications provide rich abstractions for working with various property sources to configure your applications. Most applications will only read their configuration at startup and require restarts to pick up any changes. However, it doesn’t have to be this way! In this session, we will learn about Spring’s support for dynamically picking up changes in external configurations, so that you don’t need restarts anymore.

**Count-Min Sketch, Bloom Filter, TopK: Efficient probabilistic data structures** (Raphael de Lio)
A Count-Min Sketch, a Bloom Filter, and a TopK might sound fancy, but they’re just smart ways to work with huge amounts of data using very little memory. In this talk, we’ll explore three powerful probabilistic data structures that trade a bit of accuracy for a lot of speed and scalability. By the end, you’ll see how these tools help you process large data streams without blowing up your memory, and how to apply them in real-world systems where being fast matters more than being perfect.

**AI-Powered Productivity in the Development Lifecycle** (Jonathan Vila)
In the current software development context, staying updated is essential, and that means using Artificial Intelligence (AI), particularly Code Generative AI. It is changing the way developers work, offering never-seen productivity improvements throughout the entire development life cycle. This talk will go into the practical applications of AI-powered tools and methodologies focused on software development. This talk will showcase practical tools and strategies to integrate AI into your development workflows, increasing productivity and efficiency levels.

In this meetup, in addition to food, drinks, and networking, you will experience three excellent talks of approximately 45 minutes each:

**AGENDA**
6:00pm — Doors Open (And Food!)
7:00pm — Talk 1: **Runtime Configuration Updates with Spring Boot** with Joris Kuipers
7:45pm — Short Break
7:50pm — Talk 2: **Count-Min Sketch, Bloom Filter, TopK: Efficient probabilistic data structures** with Raphael de Lio
8:35pm — Short Break
8:40pm — Talk 3: **AI-Powered Productivity in the Development Lifecycle** with Jonathan Vila
9:30pm — Thank you for joining us for this Amsterdam JUG @ Trifork Meetup

**ABOUT THE SPEAKERS**
**Joris Kuipers.** Joris has worked as a hands-on architect and CTO for Trifork for over a decade, in markets as diverse as education, healthcare, news media and government. Before that, he was a trainer and consultant for SpringSource, and he still teaches the occasional Spring training for the Trifork Academy. To his own astonishment, he has been building enterprise applications in Java for 25 years now.

**Raphael de Lio.** Raphael is a passionate software engineer who loves to think about solutions and ways to improve anything he touches. Currently he serves as a Developer Advocate at Redis, where he combines his love for coding with his enthusiasm for empowering others through education, advocacy, and community engagement.

**Jonathan Vila.** Jonathan is a Java Champion, member of the Barcelona JUG and cofounder of JBCNConf/DevBcn conference in Barcelona. Currently he works as a Developer Advocate in Java at Sonar (SonarLint,SonarQube), focused on Code Quality & Security.

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