This document provides an overview of the Spring framework, including its objectives, history, architecture, advantages, and the procedure for Spring programming. Spring is an open source Java framework that provides dependency injection and inversion of control for enterprise Java applications. It handles instantiation of objects and uses techniques like setter injection and constructor injection. The first version was written in 2003 and it has gone through several releases. The core Spring architecture includes modules for the container, data access/integration, and web layers.