Adding multiple component inside AppComponent in agular : <p>I am wondering is it possible to add multiple components like Component1 , Cmponent2 inside AppComponent like below code but it seems not working am i missing anything ?(ignore this so complaining  )ajxbajcbjascjajcabcajbcbajbcajbcjbascbjajbcjacbacjajcacbacbjabcajbcbjabcjajbcabjcjbacbjajbcbajcbjajbcabjcajbcbacbjajbcbjacbjabjcbjacbjajbcajbcbjacbjajbcbjabjcbjacbja</p>

<pre><code>import { Component,Directive,ElementRef, APP_BOOTSTRAP_LISTENER } from '@angular/core';


@Component({
  selector: 'app-root',
  template: `
        &lt;second-component&gt;
           test second
        &lt;/second-component&gt;
        &lt;third-component&gt;
           test third
        &lt;/third-component&gt;


    `,
    styles: [`

    `]
})
export class AppComponent {


}

@Component({
  selector: 'second-componet',
  template: `
        &lt;h1&gt;
           test
        &lt;/h1&gt;
    `,
    styles: [`

    `]
})


export class SecondCompoent{

}

@Component({
  selector: 'third-componet',
  template: `
        &lt;h1&gt;
           test
        &lt;/h1&gt;
    `,
    styles: [`

    `]
})


export class ThirdCompoent{

}
</code></pre>
