For Bean Validation 2, we are working on the support for Collection<@Email String>, Optional<@Min(3) Integer> etc. This has been a very common request and with Java 8 type use support, we can how achieve this. However, we need your feedback on how you would use such feature. Some context We have support not only for collections, Optional, Java FX properties but also for what we call custom parameterized containers. We are wondering a few things about custom parameterized containers, namely ho...
