Here are some key limitations of NSDictionary in Objective-C:
1. Key-Value Pairs
NSDictionary can only store key-value pairs. If you need to store more complex data structures, you may need to use other classes like NSArray or custom objects.
2. Immutable by Default
NSDictionary is immutable by default, meaning you cannot add, remove or modify keys or values after creation. If you need a mutable dictionary, you should use NSMutableDictionary instead.
3. Unordered
Dictionaries are unordered collections, so you cannot rely on the order of keys or values. If you need an ordered collection, use NSArray or NSOrderedSet.
4. Key Uniqueness
Each key in an NSDictionary must be unique. Attempting to add a duplicate key will replace the existing value.
5. Key and Value Types
Keys in an NSDictionary must be objects that conform...
