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A bean factory is fine to simple applications, but to take advantage of the full power of the Spring framework, you may want to move up to Springs more advanced container, the application context....

On the surface, an application context is same as a bean factory. But application context offers much more. Application contexts provide a means for resolving text messages, including support for i18n of those messages....

A BeanFactory is like a factory class that contains a collection of beans. The BeanFactory holds Bean Definitions of multiple beans within itself and then instantiates the bean whenever asked for by clients. BeanFactory...

Setter Injection: Setter-based DI is realized by calling setter methods on your beans after invoking a no-argument constructor or no-argument static factory method to instantiate your bean. Constructor Injection: Constructor-based DI is realized by...

The advantages of Spring are as follows: Spring has layered architecture. Use what you need and leave you don’t need now. Spring Enables POJO Programming. There is no behind the scene magic here. POJO...

Lightweight: spring is lightweight when it comes to size and transparency. The basic version of spring framework is around 1MB. And the processing overhead is also very negligible. Inversion of control (IOC): Loose coupling...

Spring comprises of seven modules. They are. The core container: The core container provides the essential functionality of the Spring framework. A primary component of the core container is the BeanFactory, an implementation of...

Spring is an open source framework created to address the complexity of enterprise application development. One of the chief advantages of the Spring framework is its layered architecture, which allows you to be selective...

Benefits of IOC (Dependency Injection) are as follows: Minimizes the amount of code in your application. With IOC containers you do not care about how services are created and how you get references to...

There are three types of dependency injection: Constructor Injection (e.g. Pico container, Spring etc): Dependencies are provided as constructor parameters. Setter Injection (e.g. Spring): Dependencies are assigned through JavaBeans properties (ex: setter methods). Interface...