Great points. I guess I was following some of these rules unknowingly. In one of the project I organized code as one business functionality per package which ma

Great points. I guess I was following some of these rules unknowingly. In one of the project I organized code as one business functionality per package which may be unforgivable sin in "enterprise java best practices". With little duplication it makes so much simpler to see that all business rules, logic handling in just one package. The absolute common thing like database connection management etc is in some common place.