Grzegorz Piwowarek | Devoxx

Devoxx Belgium 2018
from Monday 12 November to Friday 16 November 2018.

Grzegorz Piwowarek is a hands-on tech lead at @CasumoTech, a trainer at @bottega_it, a blogger at

He was professionally involved in projects involving systems integration, image recognition, and recently in highly-scalable, distributed solutions.

Besides software development, he is a professional yo-yo player and a guitarist in a progressive metal band - Visions of Tondal.

See also

Functional Exception Handling in Java with Vavr


Exception handling in Java is often considered cumbersome and not very aesthetically appealing. In this session, we'll have a look at how functional languages deal with error handling and how we can adapt those approaches in the world of Java with Vavr.

Simply put, we'll see how can we avoid “throws” by using Optional, Try, Either and by leveraging type-driven-development in general.

Make sure to download the Android or iOS mobile schedule.