iOS Developer Question: Download Questions PDF
Explain Mutable and Immutable Types in Objective C Programming Language?
Answer:
Mutable Types means you can modify the Contents later when you feel the need. However, when an Object is marked as Immutable, it implies that the data cannot be modified later after it has been initialized. Therefore, the stored values are Constant here.
Example:
NSString, NSArray values cannot be altered after initialization.
Example:
NSString, NSArray values cannot be altered after initialization.
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