Design Pattern
Advent Calendar - 2025 - Filter & Search – Part 01
With the Vaadin interface described in [Part III], our URL shortener has a fully functional administration console available for the first …
Design Pattern
5 articles
Design Pattern
Core Java - Flow.Processor
Reactive streams address a fundamental problem of modern systems: Producers (sensors, services, user events) deliver data at an …
Design Pattern
How and why to use the classic Observer pattern in Vaadin Flow
1. Introduction and motivation The observer pattern is one of the basic design patterns of software development and is traditionally used to …
Design Pattern
CWE-778: Lack of control over error reporting in Java
Learn how inadequate control over error reporting leads to security vulnerabilities and how to prevent them in Java applications. Safely …
Design Pattern
The Compensating Transaction Pattern
The Bird-Eye View A Compensating Transaction Pattern is a technique used to ensure consistency when multiple steps are involved in a …