(As of December 7, 2016, the latest GA version: related package of spring framework (excluding javadoc and source code), version number 4.3.4. For you to download and learn, I hope it will be helpful to you!
spring-aop-4.3.4.RELEASE.jar
spring-beans-4.3.4.RELEASE.jar
spring-context-4.3.4.RELEASE.jar
spring-core-4.3.4.RELEASE.jar
..... Too many files omitted)