ionic2 Constructor and OnInit ngOnInit method to get the list of students on view load
Example
OnInit: this is really amazing thing in ionic2 or we can say in AngularJs2. With the same above example we can see what is ngOnInit is. So you are ready with the service method, now in your view/page you want that student list data available as soon as your view is going to appear, this should be the first operation happend automatically on load, because as the view load the student list should be visible. So the class implements OnInit and you define ngOnInit. Example:
