For objects that may or may not be used in an application, it’s often most efficient to declare the objects without instantiating them until the need to use them arises (until they are referenced). To declare an object without actually creating it, use the
When it launched in 2008, the Apple App Store only had 500 apps available. By the first quarter of 2022, the store had about 2.18 million iOS-exclusive apps. Average monthly app releases for the platform reached 34,000 in the first half of 2022, indicating rapid growth in iOS app development.