Author: Roman Kałkowski
.png)
Most "best AI coding tools" lists are written for JavaScript and Python developers. Java teams have different problems: codebases that are a decade old, strict typing, Spring and Jakarta EE conventions, and security reviews before anything new reaches production.
An AI coding tool that writes good React snippets can still get your Spring Boot service, your build file, and your UI layer wrong at the same time. So we looked at today's AI coding assistants and agents with one question in mind: which ones actually help Java developers ship?
AI Coding for Java Teams: Get the AI Speed Without Losing Control
AI assistants now write code faster than any of us can read it. Whether we can trust that code is a different question, and for a lot of Java teams the answer is still "not really". If you build software with an AI assistant, you control two things: the prompt you write and the code you accept. ...
Spring AI 2.0 in Practice: Adding LLM Features to a Java Web App
Spring AI is Spring's official application framework for AI engineering. It brings the ecosystem's core principles (portability, modularity, dependency injection) to building LLM-powered features in Java. Combined with a UI framework like Vaadin, it turns an LLM API key into a working product ...
Building Secure, AI-Driven Web Apps at Startup Speed: The Virsion Story
For a startup, the gap between a visionary idea and a market-ready product is often bridged by two things: speed and security. This was the exact challenge facing Virsion, a tech startup focused on democratizing generative AI for small-to-medium-sized institutions. When founders Giovanni and ...
Java UI in 2026: A Practical Guide to Desktop and Web Modernization
This article is for Java teams that maintain important desktop applications and need to decide what to do next: keep the desktop UI, move parts of the application to the browser, modernize gradually, or rewrite. TL;DR The right answer depends less on the UI framework and more on the application's ...
Spring Boot 3.5 to 4 Migration Playbook: A Step-by-Step Guide for Teams
Upgrading to Spring Boot 4 is about more than changing a version number in your pom.xml. Before you upgrade, it's worth taking stock of your project: your Java version, Spring Cloud release train, JSON serialization, servlet container, Vaadin version, Spring AI dependencies, native-image builds, CI ...
Free Maintenance for Vaadin 24 ended on June 16 – What does it mean and what to do?
The free maintenance for Vaadin 24 ended on June 16, 2026. If your application is still on Vaadin 24, it is no longer under the free maintenance window for security patches, browser compatibility fixes, or bug fixes. Your application will continue to run. But "run" and "supported" are no longer the ...
The Definitive Guide to Modernizing Java Swing Applications in 2026
Editor's note: Since this article was originally published, the Swing Modernization Toolkit has been renamed to SwingBridge. Java Swing has been the workhorse of enterprise desktop applications for more than two decades. It powered internal tools, financial platforms, logistics systems, and ERP ...
Vaadin 2026 Community Survey: What Java Developers Told Us
We asked our customers and community how they use Vaadin,, what they value most, and what we need to do better. Here’s what we learned from the 2026 survey, even the parts that made us question what we thought we knew. 691 Respondents 98% Use for Work 71% Are Developers Key Findings at a Nutshell ...
Vaadin 24 Free Maintenance Ends June 16 — Choose Your Path Forward
Vaadin 25.1 is now available and makes for a strong, forward-looking upgrade. It is the first big release in the 25-series that makes it an attractive next step for teams building on the Vaadin platform. With the June 16, 2026 maintenance deadline for Vaadin 24 approaching, this is a good moment to ...