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In modern Java applications, creating a flexible and maintainable data layer is crucial for scalability and performance. While traditional ORM tools like Hibernate often come with hidden complexities, jOOQ offers a powerful, type-safe, and SQL-centric alternative that allows developers to write database queries in a way that’s both intuitive and performant.
In this talk, I will show you how to leverage jOOQ to build a robust data layer in your Java applications. We’ll dive into key concepts, including type-safe SQL generation, dynamic queries, and handling complex joins, all while keeping control over your SQL. You’ll also learn how jOOQ integrates seamlessly with Vaadin applications. Join me and get back in control of your SQL!

Serving business apps to a large number of users can be challenging. What is a suitable deployment model? How much hardware resources should be allocated for idle periods and peaks? What about monitoring and alerting in case of service degradation? These are just some of the questions you could ask yourself.
In this talk you will learn how you can benefit from some of Hilla's unique capabilities to deploy web apps in an elastic and cost-efficient way. In addition we will explore how common SRE concepts can be applied to ensure that your Hilla apps are delivered reliably and within user expectations.

Listen to a panel of Vaadin users share stories about their use cases for Vaadin and lessons learned from their projects. Gain insights into their challenges and tips on how you can build compelling business applications using Vaadin solutions.

Legacy code is often burdened with technical debt. The technical debt can be a hindrance in future application modernization projects. Fear of regressions is one of the major reasons why we hesitate to refactor legacy code and reduce technical debt. In this session we explore the new UI Unit Test tool for Vaadin 8, and how automated tests can make refactoring code less frightening task. (Bonus: Tatu will give the latest updates in Vaadin 7 and 8 Extended Maintenance).

With work and a lot of testing, any application developed for older platforms can be transformed to run on modern ones. The technical creativity and insight to automate that transformation and minimize that work is what you will find in Vaadin's Modernization Toolkit. In this session, we will look at the two components of the Modernization Toolkit (Dragonfly and the Feature Pack) and see how they can help extend the life of working applications without compromising on maintainability and further modernization possibilities.