Core Spring container

This module of the Spring Framework uses lot of the design pattern such as the Factory method design pattern, DI pattern, Abstract Factory Design pattern, Singleton Design pattern, Prototype Design pattern, and so on. All other Spring modules are dependent on this module. You'll implicitly use these classes when you configure your application. It is also called the IoC container and is central to Spring's support for dependency injection, which manages how the beans in a Spring application are created, configured, and managed. You can create Spring container either by using the implementations of BeanFactory or the implementations of the ApplicationContext. This module contains the Spring bean factory, which is the portion of Spring that provides the DI.