Unity - Dependency Injection and Inversion of Control Container

Dependency injection is a programming technique to reduce component coupling. Dependency injection is also commonly known as “inversion of control” or IoC or sometimes as The Hollywood Principle - "Don’t call us, we’ll call you”. The goal of dependency injection is to separate the concerns of how a dependency is obtained from the core concerns of a boundary. This improves reusability by enabling components to be supplied with dependencies which may vary depending on context.