Keeping track of objects you own and releasing them when you're done using them

At the start of program execution all subclasses are initialized before the parent class

The @private directive restricts access to instance variables to methods in the class; subclasses cannot access the variables directly

If you start a class definition that conforms to a specified protocol, you need to release all the methods you will implement for that protocol in the @interface section.

Int, float, and char are reserved words and examples of Objective-C basic objects.

Which Internet browser is installed on the iPhone/iPad?

Which App store has been mentioned in the lesson?

The iPhone is a line of Internet and multimedia-enabled smartphones designed and marketed by Intel Corporation.

When you using eggtimer, whilst GPS will work out your altitude on iPod touch

Which of the following apps is a game?