Java / NLJUG

J-Fall 2022: Ana Maria Mihalceanu – The hidden gems of distributed tracing

When building distributed systems, we aim to get a macro view and be able to zoom in when a particular component seems to be at fault for a failure. Luckily, distributed tracing captures the detailed execution of causally-related activities performed by the elements of a distributed system as it processes a given request. If you […]

msmelt

December 4, 2022

15

J-Fall 2022: Andre Groeneveld – Automate your home by building your own Zigbee bridge

With the huge advancements in technology over the last few decades, automating things around the house has become not only possible, but these days also easy. We have thousands of different devices to choose from, but installing them becomes more of a nuisance, as each company has their own app and bridge that you need […]

msmelt

December 4, 2022

13

J-Fall 2022: Arjen Jansen & Marije de Heus – How to migrate a mission critical railway system

This is simple, just moving trains around through the Netherlands. Making the schedule and execute this plan. Right, of course solving the schedule jigsaw is a real hard job, but when it’s done, drive around. But just being on the way, a catenary cable breaks, a tree falls down on the railway, or a broken […]

msmelt

December 4, 2022

17

J-Fall 2022: Bert Jan Schrijver & Brian Vermeer – J-FALL Official Opening

The grand opening of J-Fall 2022 by the NLJUG board.

msmelt

December 4, 2022

14

J-Fall 2022: Berwout de Vries Robles – HTTP/3 and Reactive Streaming

At J-Fall 2019 I gave a musical demonstration to introduce people to HTTP/2 and Reactive Streaming. To do that I developed an application that turns the crowd into my personal orchestra. Now it is 3 years later and HTTP/3 is nearing mainstream adoption! In this talk I will go into the updates in HTTP/3 and […]

msmelt

December 4, 2022

11

J-Fall 2022: Bram Patelski – Security by Meme

Let’s make security fun again. With a pile of memes, I will make you laugh and show you security can be easy and fun. Security experts are perfectly capable of scaring us with FUD: Fear, Uncertainty and Doubt. Horror stories of accounts hacked in seconds, Bank accounts and Crypto wallets drained, smart devices taken over […]

msmelt

December 4, 2022

20

J-Fall 2022: Bram Starmans-van den Hout – Van monoliet naar microservices bij de Belastingdienst

This is session is about an on-going journey of a department called InkomensHeffing at the Belastingdienst towards a more adaptable, scalable and maintainable software architecture. We transform our landscape from a Cobol/Cool:Gen monolith architecture towards distributed case-wise computing with Java microservices. We have to combine this with a transformation of our software development methodology from […]

msmelt

December 4, 2022

28

J-Fall 2022: Daniël Spee – So many results… Give them to me!

Usually when using search you request a subset of the results in the form of pagination. This is because users are mostly not interested in seeing all of the results, only the ones most relevant to them. But there are some use cases where your search service is used by other services or tools and […]

msmelt

December 4, 2022

32

J-Fall 2022: Fernanda Machado – Canary releases with Infrastructure as Code in Java

Many teams building modular architectures often implement it with serverless computing and agile development processes. In this session, I’ll show you how to create and automatically rollout a Java application with canary deployment strategy to test a new release to a small set of users before replacing it entirely. You will discover how you can […]

msmelt

December 4, 2022

14

J-Fall 2022: Frank Delporte – Building Smart Devices using Java on the RaspberryPi-An intro to Pi4J.

A Raspberry Pi is a full Linux PC with a small form factor and a low price of between 6 and 95€. And of course, you can run Java on it. The same kind of JVM applications you know, love, and use on heavy machines can also be used on the Raspberry Pi. “Write once, […]

msmelt

December 4, 2022

28