Question 1

Should I use VertxUI or React for a Java-based web project?

Accepted Answer

VertxUI is better if your team prefers Java and wants strong typing across client-server without JavaScript tooling. React has a larger ecosystem and is more suitable for teams with JavaScript expertise. VertxUI simplifies testing with jUnit but may lack community resources.

Question 2

How to set up automatic browser reloading in VertxUI?

Accepted Answer

Enable FigWheely by adding a handler in your server code: 'router.get("/figWheely.js").handler(FigWheely.create());' as shown in the README. This automatically reloads browsers when code or resources change, preserving development state.

Question 3

Can VertxUI applications be deployed on servers other than Vert.X?

Accepted Answer

Yes, the README states no lock-in, so it can work with servers like Tomcat, but integration may require additional configuration. Vert.X is recommended for seamless async operations and EventBus support.

Question 4

What are the performance benefits of VertxUI's virtual DOM?

Accepted Answer

The virtual DOM efficiently updates only changed DOM elements, similar to ReactJS, reducing browser reflows and improving UI responsiveness. This is handled behind the scenes in Fluent HTML, as described in the View-on-Model section.

Question 5

How do I integrate Bootstrap with VertxUI?

Accepted Answer

Since VertxUI doesn't provide built-in components, use Bootstrap's CSS by adding classes to Fluent HTML elements manually. Refer to the mvcBootstrap example in the repository for practical integration steps.

Question 6

Is VertxUI suitable for building progressive web apps (PWAs)?

Accepted Answer

VertxUI can generate standard ES5 JavaScript for PWAs, but you'll need to manually handle service workers and other PWA features, as the framework lacks built-in PWA support. Integration with Java tooling may require extra effort.

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