January, 2021

• 8 January

  RxJava 2 migration tips

  

  Most projects that use RxJava should have been migrated to RxJava 2 or RxJava 3 by now as RxJava 1 is officially announced to be end-of-life since March 31st 2018. Nevertheless some projects are still using RxJava 1 and I’m currently involved in a project with a pretty big codebase that needs to be migrated from RxJava 1 to RxJava …

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December, 2020

• 17 December

  Blog: Kilo’s, tarwegras en Kubernetes

  

  Toen het bekend werd dat tarwegras gezond was om te eten, gingen veel consumenten snel naar de winkel om er kilo’s van te kopen. Echter bleek tarwegras alleen, zonder andere ingrediënten, een teleurstelling en oneetbaar. Het is dan ook geen toeval dat tarwegras het eerste is dat me te binnen schiet als ik aan Kubernetes denk. Containertechnologie was ooit het …

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• 10 December

  Rewatch J-Fall 2020 Virtual & Happy Holidays!

  

  All the J-Fall Virtual sessions have been recorded and are now online! So did you miss any sessions or you simply didn’t have time to join J-Fall but would you like to see what sort of amazing content was shared? Go check out our J-Fall playlist with sessions from the likes of Venkat Subramaniam, Josh Long, Holly Cummins, Ádám Sándor …

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October, 2020

• 26 October

  J-Fall registration has opened

  

  During these unprecedented times, the NLJUG team has been focused on adapting the community events to ensure they are safe and fun for everyone. We are constantly evolving to meet the demands of the Java ecosystem as the situation with Covid-19 continues to change globally. As a result, we have made the exciting decision that this year’s J-Fall will be fully virtual taking place on November 3-6, 2020. Of course this year’s conference …

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• 22 October

  Java Magazine #3 2020: Take a Deep Dive into the code!

  

  We duiken deze editie diep in de (Java) Code! Zo kan je lezen over onderwerpen zoals actief worden in Open Source, Cryptografie, Jakarta EE 9, Java 15, (dis)functioneel programmeren en nog veel meer! Veel lees plezier! Liever het pdf’je in je browser bekijken?

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• 8 October

  CI/CD with Bitbucket Pipelines

  

  INTRODUCTION Continuous Integration (CI) and Continuous Delivery (CD) are an integral part of a software development cycle. I used to work with GitHub and write CI/CD pipelines as code with Jenkins. But in one of my recent projects, the organisation I worked for decided to move their repositories from GitHub to Bitbucket (with mixed feelings), which made us explore Bitbucket …

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September, 2020

• 30 September

  Java 15

  

  Java viert dit jaar zijn zilveren (25ste) verjaardag. Op 23 mei 2020 was het 25 jaar geleden dat Sun Microsystems voor het eerst Java aan de wereld liet zien. Tot de dag van vandaag is het een van de populairste talen, ook al heeft het meer en meer concurrentie van andere talen, zoals Python, Rust en Go. Java heeft niet …

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• 18 September

  Java 15 Is Now Available

  

  In 2020, we celebrate 25 years of Java. Over those years, Java has given users over two decades of innovation built on the momentum of previous enhancements such as Generics in Java 5, Lambdas in Java 8 and Modules in Java 9, which collectively culminate in boosting performance, stability and security of the Java platform along the way. By Sharat Chander …

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August, 2020

• 31 August

  Masters of Java 2020!

  

  Masters of Java, which self-respecting Dutch Java developer does not know the unofficial Dutch championship programming? The best Java developers in the Netherlands have been competing for this prestigious title for several years. This year we will do it a little bit different than last years. Because of the current Corona-regulations, Masters of Java 2020 will have a different shape …

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• 25 August

  J-Spring Digital videos

  

  At the start of the summer we organized J-Spring Digital instead of the physical J-Spring, because of COVID-19. It ended up in 4 days of premium Masterclasses. Since this was at the start of the summer we recognize that not everyone was able to attend. Therefore, we posted all the videos online! You can find sessions about Reactive by Oleh …

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