import { Component } from '@angular/core' ; @ Component ( { selector : 'app-root' , templateUrl : './app.component.html' , styleUrls : [ './app.component.css' ] } ) export class AppComponent { components = [ 'DynamicSingleOneComponent' , 'DynamicMultipleOneComponent' , 'DynamicMultipleTwoComponent' ] ; selectedComponent = '' ; renderComponent ( ) { } }