As I’m slowly working my way up from PHP to Java. I think I can write few words about my experience on that topic.
For now I know basics of basics of the language. It’s not that different and more or less the same with different markup in every language. You can’t reinvent loops of variables :P
Difficulty starts now when I want to write simple app in good way. Currently i’m using Symfony 2, Doctrine, Tactician Command Bus and Twig. Switching to do the same thing in Java means I need to choose similar libraries from java world. Another reason I have to use them is market. To get a job you have to know your tools. You have to know the best tools. And you have to know them well.
Now I’m in the stage when “I have no idea what I’m doing” but after research I decided what will be my starting point.
Web framework – Spring Boot – simplified version of Spring. No XML in favour of annotations and code configuration. From what I see it had good feedback from community and it’s similar enough to Symfony 2 to let me get some results in reasonable time.
Database – Hibernate – The heaviest ORM in Java, probably. But it was a source of inspiration for Doctrine 2 and few years back I was working with it’s .NET clone so I hope I will have only problems with configuration and markup.
Command Bus – Axon Framework – Here is the tricky part. Axon is a huge step from DDD light where state is saved on every request to Event Sourcing. Maybe it’s possible to simplify but I’m not sure at this point. Also Google and Stack told me it’s production proven by banks etc so it can be good direction even when learning curve will be very steep.
Templating – Thymeleaf – Default for Spring Boot. Not bad XML-like markup. For what i need it’s Googleable to extend templates and create reasonable DRY structure of template files.
It’s a lot for a first step into new technology. I spent last month-ish trying to figure out if I can make it in smaller chunks but I can’t see a way where I’m not doing dummy “hello Hibernate” examples.
Plan is to write clone of my ftrack-ddd app on the stack I mentioned in this post. As much as it will be possible I’ll be writing posts about my progress.