Spring Framework is modular. It is built as a set of independent modules built on top of the core Spring modules. Most of the Spring modules are independent--you can use one of them without having to use others.
Let's look at a few examples:
- In the web layer, Spring offers a framework of its own--Spring MVC. However, Spring has great support for Struts, Vaadin, JSF, or any web framework of your choice.
- Spring Beans can provide lightweight implementation for your business logic. However, Spring can be integrated with EJBs as well.
- In the data layer, Spring simplifies JDBC with its Spring JDBC module. However, Spring has great support for any of your preferred data layer frameworks--JPA, Hibernate (with or without ...
