Angular 1 vs Angular 2 Services

angular1-filters-v-angular2-services.js

// Angular 1
const module = angular.module('myModule', []);
module.service('UserService', ['$http', function ($http) {
  
  this.getUsers = () => {
    // Code to retrieve users here
  }

}]);

/***************************************************************/

// Angular 2
import { Injectable } from '@angular/core';
import { Http } from '@angular/http';

@Injectable()
class UserService {
 
  constructor(private http: Http) {}
  
  getUsers() {
     // Code to retrieve users here
  }
  
}