data.service.ts

//http://www.siraj360.com/ng2/ :: A single page application developed with Angular 2 (beta) and Bootstrap 4 (alpha). 
import { Injectable } from 'angular2/core';
import {Employees} from '../data/data.employees';
import {Courses} from '../data/data.courses';

@Injectable()
export class DataService {

    constructor() { }
    
    getEmployees() {
        return Promise.resolve(Employees);
    }
    getEmployeeList() {
        return Promise.resolve(Employees);
    }

    getCourses() {
        return Promise.resolve(Courses);
    }
}