Any vs AnyObject vs Generic in Swift iOS Interview Questions iOS Coding Interview
Free
20 minutes
English

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Description

The content explores the definitions of Any and AnyObject types in Swift, explaining that Any can represent any instance of any type, while AnyObject is limited to referencing class types only. It highlights that Any is a superset that includes AnyObject. The content then demonstrates how to declare variables using Any and AnyObject types, showcasing their flexibility and limitations. By declaring a variable with the type Any, it can hold values of different types, such as strings or numbers, without compiler errors. However, when attempting to assign a value to a variable declared as AnyObject, it throws an error if trying to use a non-class value like a string. The content also covers how to work around this limitation by creating a class and assigning an instance of that class to a variable with the type AnyObject. It explains the importance of understanding these nuances when working with Swift's generics and optionals. learn more

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System designer Swift Programmers Swift Engineer Swift Developer Software Engineer Software architect Senior iOS Developer Programmer Mobile Software Engineer Mobile Application Developer Mobile App Developer IT Professional iOS Developer iOS Architect Full Stack Developer DevOps Engineer Developer Cloud Computing Specialist Backend Developer Apple Developer App Developer App Architect

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