Java / NLJUG

J-Fall 2021: Simon Ritter – AOT or JIT: Faster Startup or Faster Code?

Microservices have become a prevalent architectural approach to developing applications. Moving from a monolithic application to multiple container-based services has many advantages. One of the largest is dynamic scalability; spinning up and shutting down instances of services to adapt to dynamic loads is very cost-effective in a public cloud environment. For JVM-based applications, running in […]

msmelt

February 15, 2024

22

J-Fall 2021: Soham Dasgupta – Spring Cloud Data Flow in action

Organisation: Please excuse us for the inferior quality of the screen recording Spring Cloud Data Flow(SCDF) is a cloud native framework for data processing use cases, from import-export tasks to event streaming and predictive analytics. With SCDF, we can build data integration and real-time data processing using data pipelines that consist of a collection of […]

msmelt

February 15, 2024

8

J-Fall 2021: Tom Cools – Learning Through Tinkering

Do you also feel like it’s hard to keep up with all the new tools and frameworks coming your way? You are not alone! By choosing IT, you are choosing to learn for the rest of your life… not an easy task. In this session we’ll look into some concepts that will help you get […]

msmelt

February 15, 2024

16

J-Fall 2021: Vasco Veloso – API-First: from design to development

Organisation: Please excuse us for the inferior quality of the screen recording The API-first design approach treats APIs as first-class citizens. The entire system or project is built around the idea that components connect via APIs. The first step is, therefore, to design the APIs and their connections. However, there is a gap between the […]

msmelt

February 15, 2024

14

J-Fall 2021:Marcin Pakulnicki, Tim Linschoten, Pierre Venter – Bakery Platform : API orchestration taken to next level

When you develop critical banking customer interactions, your API can quickly get complex. An API which opens a straightforward bank account, calls up to 20 other microservices for checks like: age, identity, product possession, possible arrears, blockades, Anti-money laundry checks, additional accountholders, and many others. If we would code all interactions in an imperative style, […]

msmelt

February 15, 2024

15

J-Fall 2022 – Sander Moelands – Realtime Warehouse Analytics at Picnic with TimescaleDB

Running a warehouse is a complex operation. Keeping an overview of an almost ant like colony which ensures a timely delivery to customers, combined with just-in-time product delivery by suppliers, requires solid operational insights. At a fast growing scale-up with highly automated processes, we can’t do without realtime, reliable and flexible metrics. In this session […]

msmelt

December 4, 2022

21

J-Fall 2022 Aftermovie

Relive the feeling of J-Fall 2022! And see you again next year, at the 20th anniversary.

msmelt

December 4, 2022

15

J-Fall 2022: Bonnie Nti – Using Data Orchestration for speed, reliability and real-time content

Having multiple subsystems that hold data might seem like a great way to divide responsibility and an easy way to maintain data. It does make it difficult to expose the data to a single entity such as a website. It is even more difficult to expose said data to multiple websites owned by different entities. […]

msmelt

December 4, 2022

22

J-Fall 2022: Maarten Mulders – What’s Cooking in Maven?

It’s been over 10 years since Maven 3 saw the light, bringing initial multi-module support. Later releases brought a lot of improvements, bug fixes, and of course coloured output. But the Maven community hasn’t been resting on their laurels. A lot of effort has gone into the future of Maven. You may have heard about […]

msmelt

December 4, 2022

19

J-Fall 2022: Alina Yurenko – Supercharge your Native Image applications 🚀

You’ve probably heard of GraalVM Native Image and how it is great for startup time & memory consumption, but do you know how to use it to the fullest in practice? In this session we’ll look at developing Native Image applications, optimizing their performance, working with metadata and configuration, and more!

msmelt

December 4, 2022

24