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developer-roadmap/content/roadmaps/104-angular/content/108-services-remote-data/100-dependency-injection.md

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Dependency Injection

Dependency Injection (DI) is a design pattern that creates the dependencies of a class and provides those objects to the class when required. Angular being a nice framework, provides a built-in dependency injection mechanism that creates and provides a runtime version of a dependency value using dependency injectors.

Free Content What is Dependency Injection ? - angular.io Introduction of Dependency injection