Beginning Table Views · Data Sources and Delegates | Ray Wenderlich

This is a companion discussion topic for the original entry at

I am not sure why I use extension I can delete `overwrite.

@bdmoakley Can you please help with this when you get a chance? Thank you - much appreciated! :]

Overriding occurs when you are replace a method with a newer implementation. If you are implementing a method via. a protocol, you aren’t overriding it, you are implementing it. Mind you, you can override in an extension.