Task 1: Implement OnInit,OnDestroy

• Constructor will get called before OnInit
• OnInit, OnDestroy will get called only once.

  export class AppComponent implements OnInit,OnDestroy{
  
        constructor(){
            console.log("Constructor")
        }
        ngOnInit(): void {
            console.log("OnInit");
        }
        ngOnDestroy(): void {
            console.log("OnDestroy");
        }

    }