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iOS Build a Blog Reader iPhone App Exploring the Master-Detail Template Modifying The Master-Detail Template

Shaun Kelly
Shaun Kelly
5,648 Points
Posted by Shaun Kelly
Shaun Kelly
5,648 Points

What is dot notation ?

self.titleArray.count;

3 Answers

Steve Hunter
Steve Hunter
57,712 Points
Steve Hunter
Steve Hunter
57,712 Points

Exactly as you've typed. You can access the various properties and methods within an instance of a class by using the dot separator with the instance's name at the beginning.

Steve Hunter
Steve Hunter
57,712 Points
Steve Hunter
Steve Hunter
57,712 Points

A class is the template from which you can create instances, i.e. identical versions of the class.

So you can have a class of type "House" which has properties like "street number" and "number of windows". Each instance of the class of House can be different by setting those properties accordingly. You can then access those properties using dot notation. Like, myHouse.streetNumber will give you the street number of the instance of House called myHouse.

I tried to make sense!!! ...

Shaun Kelly
Shaun Kelly
5,648 Points
Shaun Kelly
Shaun Kelly
5,648 Points

Okay and what is an instance ? and also a class ?