3-tier architecture - Architecture We use a 3-tier architecture based on open standards from Sun like Java EE, Java Persistence API, Servlet and Java Server Pages. Persistence Business Presentation The possible communication flows between the layers are

3-tier architecture - Architecture We use a 3-tier architecture based on open standards from Sun like Java EE, Java Persistence API, Servlet and Java Server Pages. Persistence Business Presentation The possible communication flows between the layers are

EJB Entity life cycle Testing - Software Testing Testing EJB entities can be very difficult without an integration environment. In this article I will demonstrate how to test the complete life cycle of an entity including the finders without integration o