What is the difference between copy and retain ?

Here is the difference between the copy and retain methods in Objective-C:

copy

• The copy method creates a new object that is an exact copy of the original object.
• It is used to create an immutable copy of an object, such as an NSString or NSArray.
• The copied object has its own memory address and is independent of the original object.
• If the original object is mutable, the copy method creates a new mutable object with the same contents.
• The copy method is typically used to ensure that an object's state is not accidentally modified by another part of the code.

retain

• The retain method increases the reference count of an object, indicating tha...