J-Fall 2020 Virtual25 Videos

J-Fall Virtual 2020: Jeroen Borgers – Fixing your performance and concurrency bugs before they bite you

Performance and concurrency bugs are the most difficult to find types of bugs. Once they are released in production, they tend to hide and wait for the right moment to attack you in unexpected ways, which makes them so difficult to catch. In this presentation, I will show you several of those defects in Java […]

J-Fall Virtual 2020: Josh Long – Keynote: Cloud Native Java, Redux

Join Spring developer advocate Josh Long (@starbuxman) for a guided tour to a ton of the features, patterns and principles that support you when building productions-optimized cloud native Java applications. Bio Josh: Josh (@starbuxman) has been the first Spring Developer Advocate since 2010. Josh is a Java Champion, author of 6 books (including O’Reilly’s “Cloud […]

J-Fall Virtual 2020: Julien Lengrand-Lambert – An introduction to creating CLI applications using picoCLI

picoCLI is a small library that can be used to create JVM based command line interface applications. Within 15 minutes, we’ll look at how to setup a project, create a small application and package it for others to use. picoCLI is nice for several reasons : CLIs are a great way to automate some commands […]

J-Fall Virtual 2020: Maarten Mulders & Martin Kanters – Making Maven Marvellous

Have you ever used Maven, ran into a bug and thought: “How on earth can a project this old have this bug?”. Then join this session! Maven, although a well-known and well-trusted project, is run by a relatively small bunch of people. There’s simply more work to do than these people can do! So instead […]

J-Fall Virtual 2020: Maarten Smeets – Reactive Relational Database Connectivity using R2DBC

JDBC has been the de-facto standard for accessing relational databases for a long time. Times are however changing. In cloud environments the pay-per-use model is popular. If you can use resources more efficiently, you can save money! In addition, when running applications at cloud-scale, the number of concurrent requests which hit your services can skyrocket. […]

J-Fall Virtual 2020: Michel Schudel – The Java Roadshow, Episode 15

Java 15 hit the shelves in September this year. So what can you expect from this release? In this session, we will walk through all new features, including all language and API enhancements, but we’ll also look at stuff “under the hood” that will make your JVM experience all the more enjoyable! Furthermore, we’ll answer […]

J-Fall Virtual 2020: Peter Nagy – Infinitely scalable microservices with Project Loom and Helidon

Project Loom introduces VirtualThreads to OpenJDK. VirtualThreads are so lightweight that they are practically an unbounded resource. You can use as many as you like! Blocking I/O? No problem. Forget reactive and return to those simpler, joyful times of synchronous programing. In this talk you will learn about VirtualThreads and see our experimental result with […]

Full title: J-Fall Virtual 2020: Simone van Erp, Marin Jankovski, Daniel Gebler & Daan van Osch – Panel Discussion about remote working in this Corona era

Please excuse us for the missing of the first question: How do you personally feel about working from home and how does it affect you? Bio Simone: Co-owner IT Rockstars. Wij zien IT’ers als de Rockstars van dit moment én van de toekomst. Alle grote veranderingen in de wereld komen van hun hand. Van elektrische […]

J-Fall Virtual 2020: Robbert Noordzij – Building a high performing Passenger Information System

Everyday millions of passengers commute by train. Using apps, websites and overhead displays they plan their journey through the network. Over 30.000 train activities including all their changes need to be communicated. The current software is over 10 years old and is hard to change. The original plan of rebuilding the software would stretch 8 […]

J-Fall Virtual 2020: Rory Preddy – Programming for Accessibility

My life is a hilarious roller coaster of miss-intended programming bugs because at 120 cm tall and 50 kilograms I completely fall off your radar. Why did my scale call me! Why does facial recognition see me as a child? These are all valid questions I often ask myself as I navigate my weird and […]