Встреча JUG.ru с Sami Ekblad 31.01.2013, состоящая из двух частей:
Introduction to Vaadin 7
The presentation will include a brief introduction into Vaadin Framework 7, the first new major version of the popular rich web framework in over three years of iterative evolution. The intro will explain the main design decisions will give practical examples for starting with Vaadin.
Vaadin: Creating reusable web components