What does sectionindextitlesfortableview do in uitableview?

It returns the table data for a particular section. sectionIndexTitlesForTableView: method – returns the indexed titles that appear in the index list on the right side of the table view. For example, you can return an array of strings containing “A” to “Z”.
Keeping this in consideration, how to add section and index list in UITableView?
Basically, to add sections and an index list in the UITableView, you need to deal with these methods as defined in UITableViewDataSource protocol: numberOfSectionsInTableView: method – returns the total number of sections in the table view. Usually we set the number of section to 1.
In respect to this, what can you do with a uitable view? In a UITableView, you can quickly reload, insert, delete, and reorder rows. All these actions come with standard animations out of the box. In a scroll view, you have to write a ton of code to get the same functionality. A table view can arrange items into sections and use indexes.
Moreover, how does the number ofsections method in UITableView work?
The UITableViewSource 's NumberOfSections (UITableView) and RowsInSection (UITableView, nint) methods allow the UITableView to request only the data necessary for the cells on the screen. A specific cell is identified by an NSIndexPath, whose Section and Row properties will specify a unique cell.
In fact, is the Ui Table View a scroll view?
To be precise, table views and collection views are also scroll views. If you look at the documentation of the UITableView class, you will see that it descends from UIScrollView. It might look like table views are made only to manage repeating elements.