In Objective-C, retain counts are the way in which memory is managed. When you create an object, it has a retain count of (...). When you send an object a retain message, its retain count is incremented by (...). When you send an object a release message, its retain count is decremented by (...). When you send an object a autorelease message, its retain count is decremented by (...) at some stage in the future. If an objectʼs retain count is reduced to (...), it is deallocated.

Memory management is one of the most important processes in any programming language

Which one is NOT correct regarding memory management in Objective-C ?

Which one contains an INCORRECT concept regarding Objective-C programming ?

The (...) is an Objective-C directive, which is also used to define the aliases for various data types similar to (...). But (...) is limited to giving symbolic names to types only, whereas (...) can be used to define alias for values as well, like you can define 1 as ONE, etc.

In Objective-C, sometime, you may find that you wish to extend an existing class by adding behavior that is useful only in certain situations. In order to add such extension to existing classes, Objective-C provides ...

How to restore Consumable In-App Purchases?

What is the last chance for an object to handle a message?

What can you say about the code: NSString * str = [NSString stringWithFormat:@""]; [str release];

What happens at runtime with the following: dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); dispatch_apply(10, queue, ^(size_t index) { NSLog(@"%zu", index); });

What class method is used to make an NSArray from NSData class?