Java
Separation of Concerns in Vaadin: Eliminating Inline Styles
Vaadin Flow enables the development of complete web applications exclusively in Java. Components, layouts, navigation, and even complex UI …
Sven Ruppert Java Champion · Security Expert · Speaker · Trainer
Articles, talks, workshops and videos on Core Java, Cybersecurity and Developer Relations — plus the occasional Bushcraft note from the woods.
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Serverside
An unexpectedly hassle-free upgrade
The starting point for this article was not a strategic architecture workshop or a long-term planned migration path, but a comparatively …
Java
The Importance of UI in Import Processes
Why an import needs a UI at all Import functions are often treated as purely technical details in applications. Data is read in, processed …
Java
JSON export in Vaadin Flow
Export functions are often seen as a purely technical side task: one button, one download, done. In a Vaadin-based application, however, it …
EclipseStore
Advent Calendar 2025 - Extracting Components - Part 2
What has happened so far In the first part, the focus was deliberately on the user interface’s structural realignment. The previously …
EclipseStore
Advent Calendar 2025 - Extracting Components - Part 1
Today marks a crucial step in the evolution of the URL shortener’s user interface. After the focus in the past few days was mainly on …