J-Spring 201922 Videos

J-Spring 2019: Bert Jan Schrijver – Opening

The Official J-Spring 2019 Opening Bio Bert Jan Bert Jan is CTO at OpenValue and focuses on Java, Continuous Delivery and DevOps. Bert Jan is a Java Champion, JavaOne Rock Star speaker, Duke’s Choice Award winner and leads NLJUG, the Dutch Java User Group. He loves to share his experience by speaking at conferences, writing […]

J-Spring 2019: Berwout de Vries Robles – Impromptu Orchestra with HTTP2 and Reactive Streams

With the introduction of HTTP/2 in 2015, Server Sent Events have received a new life as Reactive Streams. In this talk we will look into how these technologies work. We will look at how and why HTTP/2 came to be. I will show you what you need to do to make practical use of HTTP/2. […]

J-Spring 2019: Allard Buijze – Pragmatic Microservices with DDD, CQRS and Event Sourcing Using Axon Framework

Events are becoming increasingly important in modern architectures. Although CQRS and Event Sourcing are increasingly being adopted, the complexity of implementing it is often highly over-estimated. In this session, we will first briefly cover what CQRS and Event Sourcing are, and how it addresses some common requirements that modern applications have. Next, we will open […]

J-Spring 2019 Keynote: Wouter Oet – Keynote: A life of working and learning in IT: Challenge accepted!

In an ever changing world, developers sometimes struggle to keep up with all the changes happening. There are just too many releases of languages, frameworks and libraries to keep up with. Not to mention the broadening of our profession. Pipelines, runtimes, security and Ops are also part of it. We are going to face that […]

J-Spring 2019: Peter Hilton – Why you should care about code style and what you should care about

Coding style matters, but not only in the way you think. Programmers famously waste time arguing indentation styles, while whole teams lack a consistent vision for their code style, and consistent code. This talk highlights what really matters, and what you need to learn to write code with vision and style. Attendees will learn about […]

J-Spring 2019: Martijn Jansen – Is GraphQL the new REST?

According to many developers, GraphQL is the solution for everything that is wrong with REST. But is this really the case? In this talk I will walk you through GraphQL and for which cause I used this technique. Is it really the new REST? Bio Martijn Martijn Jansen is currently working at the Rabobank for […]

J-Spring 2019: Bert jan Schrijver – NLJUG Update

What is the status of the NLJUG and where are we going? Bio Bert Jan Bert Jan is CTO at OpenValue and focuses on Java, Continuous Delivery and DevOps. Bert Jan is a Java Champion, JavaOne Rock Star speaker, Duke’s Choice Award winner and leads NLJUG, the Dutch Java User Group. He loves to share […]

J-Fall 2019: Jessica Siewert – Robustness for event driven microservices

Customers using our microservices demand a trouble-free experience. In case of any problems you spent a lot of time assisting with and improving your services. How would it be if your services were so robust that your customers would never have any problems and just love using your services from the get go and for […]

Jspring 2019 Teaser

J-Spring 2019 is coming up and we’ve got what you are expecting of us and more! This years line-up is diverse and full of the greatest national and international Java heroes. Want to know what to expect? Then check out this teaser! Check out the website with the full timetable here. Don’t have your ticket […]

J-Spring 2019: Brian Vermeer – Live exploiting your open source dependencies

Today, almost all software heavily relies on the use of third-party dependencies. While open source modules are undoubtedly awesome, they also represent an undeniable and massive risk. You’re introducing someone else’s code into your system, often with little or no scrutiny. Including the wrong package can introduce severe vulnerabilities, exposing your application and your user’s […]