Spring framework is a popular application framework for Java platform.

Spring have several modules:

• Spring Core
• Spring IOC
• Spring JDBC
• Spring MVC
• Spring ORM
• Spring AOP
• Spring Batch
• Spring Boot
• Spring Roo

Spring Advantages:

• Spring is lightweight framework.
• Spring is loosely coupled (spring dependency injection (inversion of control), which will be the heart of the framework functionality).
• Spring supports various frameworks like Hibernate, Struts.
• Spring dependency injection makes easy to test the application.
• Spring supports for JDBC, JMS, JTA and JPA.
• Spring MVC supports with RESTful web service.