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Answer Posted / Vikrant Upadhyay
Blocks in Objective-C are anonymous functions that can be defined inline and passed around like any other object. They consist of a sequence of statements enclosed within curly braces `{}`. Blocks are commonly used for: 1. Event handling (e.g., tap gestures, button clicks). 2. Asynchronous processing with GCD (Grand Central Dispatch). 3. Customizing UI animations.
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