IOS Set 7

UIKit API ✘ UI Automation API ✘ Both of these ✘ None of these ✔

A background ✘ A foreground ✘ An inactive ✘ An active ✔

An active ✘ An inactive ✘ A background ✘ A foreground ✔

Copy always creates an immutable copy and mutableCopy always creates a mutable copy. ✘ Copy always creates an immutable copy and mutableCopy does not create a mutable copy. ✘ Copy does not create an immutable copy and mutableCopy always creates a mutable copy. ✘ Copy does not create an immutable copy. ✔

Class clusters group a number of private concrete subclasses under a public abstract superclass ✘ Class clusters are a design pattern that the Foundation framework makes extensive use of ✘ Class clusters group a number of private concrete subclasses under a public abstract superclass; class clusters are a design pattern that the Foundation framework makes extensive use of ✘ Class clusters group a number of private concrete subclasses under a default abstract superclass ✔

Dot notation involves assessing a global variable by determining a 'global' class followed by a 'dot' notation which is followed by the name of the global variable or the property to be accessed. ✘ Dot notation involves assessing an instance variable by determining an 'instance' class followed by a 'dot' notation which is followed by the name of the instance variable or the property to be accessed. ✘ Both of these ✘ None of these ✔

If retaining and releasing are not properly used then the 'RetainCount' for 'AnObject' does not reach zero and the application does not crash. ✘ If retaining and releasing are not properly used then the 'RetainCount' for 'AnObject' does not reach one and the application does not crash. ✘ Both of these ✘ None of these ✔

A function and its arguments are linked together while message and a receiving object are not linked. ✘ A function and its arguments are not linked together while message and a receiving object are linked. ✘ A function and its arguments are linked together while message and a receiving object are linked. ✘ A function and its arguments are linked together while message and a sender object are linked. ✔

If category is used, the same class can be used ✘ Category created on a base class is available on the sub classes ✘ Both of these ✘ None of these ✔

Table ✘ Cell ✘ Both of these ✘ None of these ✔