Spring Dependency Injection

Dependency Injection is a fundamental aspect of the Spring framework, through which the Spring container “injects” objects into other objects or “dependencies”.

Simply put, this allows for loose coupling of components and moves the responsibility of managing components onto the container.

Let’s explore DI with Spring further here.

DI Basics

>> Intro to Inversion of Control and Dependency Injection with Spring

>> Constructor Dependency Injection in Spring

>> Guide to Spring @Autowired

>> Wiring in Spring: @Autowired, @Resource and @Inject

>> Spring @Primary Annotation

>> @Order in Spring

>> XML-Based Injection in Spring

DI Advanced Topics

>> Spring – Injecting Collections

>> Spring Autowiring of Generic Types

>> Constructor Injection in Spring with Lombok

>> How to use the Spring FactoryBean?

>> @Lookup Annotation in Spring

>> Injecting Prototype Beans into a Singleton Instance in Spring

DI Exceptions

>> Unsatisfied Dependency in Spring

>> Circular Dependencies in Spring

>> Spring NoSuchBeanDefinitionException