Introduction - If you have any usage issues, please Google them yourself
Spring is an open-source framework, created by Rod Johnson. It is intended to address the complexity of enterprise application development created. Spring using the basic JavaBean to complete the previously could only be completed by the EJB things. However, Spring is not limited to the use of server-side development. From the simplicity, testability, and loose coupling point of view, any Java application can benefit from the Spring.