According to the DI pattern, dependent objects are given their dependencies at the time of the creation of the objects by some factory or third party. This factory coordinates each object in the system in such a way that each dependent object is not expected to create their dependencies. This means that we have to focus on defining the dependencies instead of resolving the dependencies of collaborating objects in the enterprise application. Let's look at the following image. You will learn that dependencies are injected into the objects that need them:
Dependency injection between the different collaborating ...
