What is Spring ORM Framework?
Spring ORM is the API from Spring framework to easily integrate and use other ORM frameworks such as Hibernate, JPA, JDO etch with the Spring framework. Spring ORM provides great advantage and it helps developers to write programs fast. You can also get rid of many common errors while using the Spring ORM Framework with any of the ORM frameworks to develop your persistence layer in application.
Advantages of Spring ORM
Less coding: Coding is very less if you use Spring ORM
Easy tests: Application can be tested easily when Spring ORM is used in the application
Better exception handling: Spring will take care of most of the error handling activities making your code more robust.
Integrated Transaction Manager: You can use the integrated transaction manager provides by Spring ORM in your application
Check Spring Tutorials for further reading.