Instruction: Explain how dependency annotation is used in AngularJS and why it is useful.
Context: This question delves into AngularJS's dependency injection mechanism, focusing on the annotation technique used to make dependencies more explicit and safer for minification.
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At its core, AngularJS's dependency injection mechanism allows us to define components, such as services, controllers, and factories, in a way that their dependencies are provided to them by the framework, rather than the components themselves creating instances of their dependencies. This is where dependency annotation comes into play.
Dependency annotation is essentially a way to specify the dependencies of components explicitly. AngularJS supports three types of annotations:...