Java / NLJUG

551 Videos

J-Spring 2021: Jeroen Resoort – Serverless Java on Steroids with Knative, Micronaut & GraalVM

Micronaut and GraalVM enable us to build lightweight Java applications. KNative is a Kubernetes-based platform for deploying serverless workloads. This combination of frameworks makes it particularly easy for developers to get started with Serverless Java. In this talk we will develop several microservices with the Micronaut application framework, build them with GraalVM and deploy them […]

J-Fall 2021: Geoffrey De Smet – Artificial Intelligence on Quarkus: I love it when an OptaPlan comes together

Forget about Machine Learning. Planning optimization is the most profitable AI technology on this planet. The world is full of planning challenges, such as vehicle routing problems, maintenance scheduling and employee rostering. Find the quickest routes to visit n locations with k vehicles. Or assign shifts to employees, taking into account skills and availability. Few […]

J-Fall 2016 Speaker Joost den Boer – Sharing 2 years experience using Scala in a real project

In Januari 2015 we started on a new project using Scala with a team which had hardly any Scala experience. In this talk I’d like to share insights and experiences during a 2-year journey of using Scala/Akka in a real project, how the team learned Scala and slowly found it’s way into functional programming. It […]

J-Fall 2017 Speaker Martijn Blankestijn – CQRS: Processing the events to query-databases

Command Query Responsibility Segregation (CQRS) and Event Sourcing (ES) have been around since the mid 2000’s, so nothing new there. CQRS even draws on principles formulated in the 90’s to separate the reads (queries) from the writes (commands) of the application. Application of these patterns means a different way of thinking about modelling and consistency. […]

J-Fall 2017 Speaker Peter Hilton – How to name things: the hardest problem in programming

Developers can get better at their craft by learning from the great writers who mastered theirs. Writing software isn’t the same as writing a novel, but there are parallels. Besides, advice from writers is better because writers have been struggling with their craft for many centuries, not just a few decades. It’s better-written as well. […]

J-Fall 2015 Speaker Jan-Willem van Hermon & Bert Gritter – Van wetboek naar online aangifte

Elke burger kent een mijnverzekering.nl of mijnbank.nl. Ook de Belastingdienst heeft sinds vorig jaar met mijnbelastingdienst.nl zijn eigen portaal voor particulieren. Het team OnLine Aangifte ontwikkelt voor dit portaal formulieren waarmee burgers online aangifte kunnen doen. In deze sessie bespreken hoe we voor het portaal de wet inkomstenbelasting vertalen naar een GWT-web-applicatie. Belangrijke uitdagingen als […]

J-Spring 2018: Bert Ertman – Thinking about my doorbell

When the White Stripes wrote their song ‘My Doorbell’ back in 2005, they had no idea it was actually about this very presentation and MY doorbell. “Yeah, I’m thinking about my doorbell, when ya gonna ring it, when ya gonna ring it” And then what?! Well…then I want to ask it who is in front […]