Java has been a mainstream technology for backend development for many years. Part of the reason behind this is its high stability in terms of APIs, hard backward-compatibility rules, offering a very stable and reliable backbone for any professional software, and its good performance.
The Java EE platform gives developers a flexible and powerful API that allows them to concentrate on the features more than on the technical challenges already solved by the platform. However, it doesn't mean that you should use it blindly and forget all about the work the container does for you; it would lead to a poorly behaving and unresponsive application.
When it comes to performance, Java EE is well-designed to let you get metrics, instrument your ...
