3.4) Angular | Why get() Set() than ngOnChanges() Beginner Questions in Tamil

************************************************************ A Beginner's Basic Questions about ngOnChanges() hook. ************************************************************ 00:00 - Introduction 00:34 - Can I access the @Input property value in Constructor? I'm getting "undefined" only. 01:51 - Can I access the @Input property other Lifecycles as well than ngOnChanges()? I am able to access the value. What's the purpose & Why? 02:55 - I've get(), set() methods to change the @Input property value, so then why I need ngOnChanges()?