How and why to use the classic Observer pattern in Vaadin Flow

sven.ruppert@gmail.com (Sven Ruppert) — Mon, 01 Sep 2025 11:32:18 +0000

1. Introduction and motivation
#

The observer pattern is one of the basic design patterns of software development and is traditionally used to decouple state changes and process them. Its origins lie in the development of graphical user interfaces, where a shift in the data model required synchronising several views immediately, without a direct link between these views. This pattern quickly established itself as the standard solution to promote loosely coupled architectures.

Observer on Sven Ruppert

How and why to use the classic Observer pattern in Vaadin Flow

1. Introduction and motivation #

1. Introduction and motivation
#