# 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.

Visit the following resources to learn more:

- [What is Dependency Injection ? - angular.io ](https://angular.io/guide/dependency-injection)
- [Introduction of Dependency injection](https://www.youtube.com/watch?v=OFPIGlxunL0)