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Previously we learn to iterate over a collection using fast enumeration : Objective-C : Fast enumeration While the Foundation framework defines class
The Foundation framework defines a base layer of ObjC classes, Foundation framework includes the root object class, classes representing basic data ty
@property offers a way to define the information that a class is intended to encapsulate. If you declare an object/variable using @property, then that
Previously we learn how to add methods from outside the class : Objective-C : Categories Objective-C permits a class to wholly replace another class
In Android, Toast is a notification message that pop up, display a certain amount of time, and automatically fades in and out.Generally it is use for
Encapsulation is an important concept in object-oriented programming. By using class methods to access data stored in object properties, we can separa
Previously we learn polymorphism in ObjC : Objective-C : Polymorphism When an object is allocated, it's counting references is 1. When that count rea
Previously we learn typedef keyword that is used to create data type : Objective-C : TypedefA macro is a fragment of code which has been given a n
Previously we learn the use of preprocessors in ObjC : Objective-C : PreprocessorIn order to print logs, we use the NSLog method in Objective-C progra
A dialog is a small window that prompts the user to make a decision or enter additional information. A dialog does not fill the screen and is normally
Objective C language provides default synthesis of those properties not declared @dynamic and not having user provided backing getter and setter metho
Previously we learn how to create Key Value pair using NSDisctionary : Objective-C : NSDictionary class The NSAutoreleasePool class is used to suppo
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