As a software developer, you should also be wondering about questions like: do my customers use the software on their phone while on the move? Or at home, at night when the kids are asleep and everything is quiet? Are they red-green blind? What are they using the software for? Is it what we intended it to be?

Java 11 and more for Rico with 1.1 released! Rico is the application framework initiated and maintained by Karakun supporting you to build better enterprise solutions in less time.

Providing mobile apps for different platforms out of one code base is not only attractive in terms of costs. Focussing on one central technology helps the development team and thus improves code quality. With NativeScript software developers can use their Angular- and TypeScript know-how to provide applications for iOS, Android and web with the same code base.

With the new licence of the Oracle JDK a lot of companies need to switch to a new JDK vendor. With AdoptOpenJDK we have a community based alternative that provides free LTS JDK builds. In this post I will have a deeper look at the infrastructure of the AdoptOpenJDK and how each build is tested to offer production ready quality.

Each year several Java applications might show wrong date information for the days around New Year's Eve. This post gives an overview about the reasons and describes how you can easily avoid such problems.

Everyone who has developed Java desktop applications within the last 15 years used WebStart or at least heard about it. This post gives an overview of how the technology evolves as an open source project after Oracle announced its removal from the Oracle JDK.

Many Java applications have JavaScript frontends these days. While the Java part of the application is considered to be well engineered, the JavaScript part often lacks industrial-strength stability. This talk was recorded at BaselOne 19 and shows new ways to make JavaScript code more reliable.

A lot of people wonder, why package-lock.json is always updated but never used as-is. Here is the explanation.

Rico is the application framework initiated and maintained by Karakun to help building better enterprise solutions in less time. This article gives an introduction and points out the key functionalities your projects can easily benefit from.

As developers we always try to create bug free and secure applications. Sometimes the most critical issues are not part of our code but of its dependencies. This post shows how security issues in dependencies can be used to create horrible attack scenarios of your systems. I will show one exploit in a simply Java based server application that can be used to do mostly everything with your whole system.

This post gives an overview about the new server timing specification of the w3c and how server timing can be used in any enterprise Java server by using Rico.

This post gives an overview how we at Karakun use Docker to create integration tests for JavaEE / JakartaEE based libraries and frameworks.