What are providers in Angular2?

Question

In the Angular2 component configuration providers is one of the keys that we could specify. How are these providers defined and what are they used for?

Answer 1

import { service_name} from '../path';

@Component({

  selector: 'selector_name',     
  templateUrl: './html file name ',
  styleUrls: ['./css file name '],
  providers: [ ./'service_name'];

})
export class AppComponent {

  constructor(private Service_name: service_name) { 
    //enter code here
}