Jan Wloka is Chief Technology Officer at Quatico. He promotes the agile and lean software deve­lop­ment and advocates test-driven design for building well designed APIs with scalable abstractions and "use" in mind.

With hands-on trainings, a developer-driven education series and the Hackergarden Zurich, Jan tries to change the culture from frontend vs. backend developer thinking towards a true software crafters mentality at Quatico. Jan holds a PhD in computer science from Technical University Berlin.

Twitter: @crashtester

LOCATION: Zürich
KEYWORDS: Language, Concept, Hands-On, Lessons learned

SPEAKER: Jan Wloka   COMPANY: Quatico Solutions AG

Does functional code look awkward to you? Do you like the idea but you just can't wrap your head around it? Let's ignore all the theory and just look at three functional idioms that will change your daily programming in Java.

In this talk, we'll review common implementation patterns to check for existence, to handle exceptions and to provide alternate execution paths. We'll learn how monads can be seen as just a different kind of container, and are as easy to use as Java's for-each loop. We'll re-implement commonly used code snippets in Java using the Vavr.io library to help you making a gentle paradigm shift. With the three functional idioms Option, Try and Either we'll achieve the same results but make our code more readable, predictable and less error-prone.

LEVEL OF TALK: Intermediate
LANGUAGE: Talk: en / Slides: en

Jan Wloka is Chief Technology Officer at Quatico. He promotes the agile and lean software deve­lop­ment and advocates test-driven design for building well designed APIs with scalable abstractions and "use" in mind.

With hands-on trainings, a developer-driven education series and the Hackergarden Zurich, Jan tries to change the culture from frontend vs. backend developer thinking towards a true software crafters mentality at Quatico. Jan holds a PhD in computer science from Technical University Berlin.

Twitter: @crashtester

---