The basics Steps of Dependency injection,
1. A class with @Injectable () to tell Angular2 that it’s to be injected “UserService”.
2. A class with a constructor that accepts a type to be injected.
Example, UserService marked as @Injectable as,
Angular2 - Related Concepts
|When use @Inject()?||When Use @Injectable ()?||@Injectable() vs. @Inject() ?|
|How to use Dependency Injection (DI) correctly in Angular 2?||Dependency Injection (DI) in Angular 2?|
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