In spring, you can have multiple beans (=DI object instances) of the exact same class/interface. You can define one as primary and have to give them different n

In spring, you can have multiple beans (=DI object instances) of the exact same class/interface. You can define one as primary and have to give them different names. You can also automate bean creation per thread, per request, per session or whatever else floats your boat. Instance/bean persistence is easy too, if you really want to go that far (you should not). For regulatory reasons, I once even had to implement a datasource selector for spring, that would pick the database connection based on userId. Why do people that have zero idea about what they are writing find so much attention on hacker news?