app.component.ts

import { Service2 } from './service2.service';
import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css'],
  providers: [Service2]
})
export class AppComponent {
  title = 'app works!';

  constructor(private service2: Service2){}
}