===== NSMutableArray =====
The NSMutableArray class declares the programmatic interface to objects that manage a modifiable array of objects. This class adds insertion and deletion operations to the basic array-handling behavior inherited from NSArray.\\
The addObject: method is used when dealing with NSMutableArray. It is used to add items onto the stack of the ar... aper.
==== Source Code Example ====
NSMutableArray *mArray = [[NSMutableArray alloc] init];
===== NSArray =====
NSArray and its subclass NSMutableArray manage ordered collections of objects called arrays. NSArray creates static arrays, and NSMutableArray creates dynamic arrays.\\