Spring is an advanced framework of Java. It is used to build Enterprise level Web Application. It is an open source application framework.  Spring is majorly used in Banking, Education, E-commerce. It helps to develop robust Application. Spring framework used for high performance and re-usable code.  It is a light-weight framework. It also provides support to different framework like Hibernate, Struts, EJB, etc. The Spring framework has a good number of modules and those are IOC, AOP, DAO, Context, etc. It can be used in any Java Application. It has a strong concept of the database connection. It provides a convenient API. The testing of an application which is developed using spring framework is much easier. .