Migrating from Spring Framework 3.2 to 4.0. References What's New in Spring Framework 4.x In previous versions of spring, you dealt with conditions only in the following two ways: Before version 3.1, you will need to use spring expression language At the 3.1 release, profiles was introduced to handle conditions. In spring- test, custom ActiveProfilesResolver, can be implemented to resolve active bean definitions programmatically.ġ3.Ě class SocketUtils has been introduced to get TCP and UDP server port.ġ4.Ěll the mocks is based on Servlet 3.0 in spring 4. In this article, we will touch on a new feature of spring 4: the Conditional annotation. currently JDK 8 and JDK 11 and soon expecting JDK 17 (to be released in late 2021). In spring-test, now in spring 4, all annotations can be used to create custom composed annotations.ġ2. We fully test and support Spring on Long-Term Support (LTS) releases of the JDK, i.e. spring-messaging: This modules supports STOMP.ġ1. spring-websocket : Helps the two way communication between client and server.ī. In Spring 4 MVC, different time zone has been supported.Ī.

Before this, each rest web service method need to be annotated with Now if you use at class level then we do not need to use spring 4, AsyncRestTemplate class has been added for REST development.ĩ. In spring 4, annotation can be used at injection label too.ħ.ğor REST application, spring 4 provides new annotation. If we autowire list and arrays, then bean containing in these collection can be ordered.Ħ. Spring 4 supports to develop custom annotationĥ. 4.1 JMS Improvements Message listener endpoints can have a more flexible signature and benefit from standard messaging annotations such as Payload, Header.

Spring 4 new features