title: Property 'subscribe' does not exist on type '() => Observable<any>'
body: <p>service file </p>
  
  <pre><code>import { Observable } from 'rxjs/Rx';
  import { Http,Response} from '@angular/http';
  import { Injectable } from '@angular/core';
  import 'rxjs/add/operator/Map';
  
  @Injectable()
  export class VideoService {
  
     private geturl = '/api/videos';
     constructor(private _http:Http) { }
  
     getvideos() {
         return this._http.get(this.geturl).map((response:Response) =&gt; {
            response.json()
         });
     }
  }
  </code></pre>
  
  <p>here is where the subscribe method showing this error</p>
  
  <pre><code>import { VideoService } from '../video.service';
  import { Component, OnInit } from '@angular/core';
  import { Video } from '../video';
  import { Observable } from 'rxjs/Observable';
  
  
  @Component({
      selector: 'app-videocenter',
      templateUrl: './videocenter.component.html',
      styleUrls: ['./videocenter.component.css']
  })
  export class VideocenterComponent implements OnInit {
      videos: any;
      onselectvideo: Video;
      switch: boolean = false
  
      constructor(private videoserv: VideoService) {
          //console.log(this.videos);
      }
      onselect(vid: any) {
          this.switch = true;
          this.onselectvideo = vid;
          console.log(vid);
      }
      ngOnInit() {
           this.videos = this.videoserv.getvideos .subscribe((response) =&gt; {
               this.videos = response;
           });
      }
  
  }
  </code></pre>
  
  <p>i have service file in which i have to call my api to get the api's and when i am going to subscribe the method in the other class where i am calling that service method getvideos() then its showing the error that the property "subscribe " does not exist on type ()=> observable</p>