## Relevant Articles:

- [Understanding getBean() in Spring](https://www.baeldung.com/spring-getbean)
- [Exploring the Spring BeanFactory API](http://www.baeldung.com/spring-beanfactory)
- [How to use the Spring FactoryBean?](http://www.baeldung.com/spring-factorybean)
- [Spring – Injecting Collections](http://www.baeldung.com/spring-injecting-collections)