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Tarun Kumar

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Tarun Kumar

Tarun Kumar

16-Sep-2015
Static typed languages are those in which type checking is done at compile-time, whereas dynamic typed languages are those in which type checking is done at run-time. Static typed variables need not be defined before they’re used. This implies that static typing has to do with the explicit declaration (or initialization) of variables before they’re employed.
Objective-C is a dynamically-typed language, meaning that you don’t have to tell the compiler what type of object you’re working with at compile time. Declaring a type for a varible is merely a promise which can be broken at runtime if the code leaves room for such a thing. You can declare your variables as type id, which is suitable for any Objective-C object.
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