How does Swift support interoperability with existing Objective-C code?

The question is about Swift

Answer:

Swift provides complete interoperability with Objective-C, meaning you can use both languages in the same project. Through a bridging header, Swift can access existing Objective-C classes, methods, and properties, whereas Objective-C can call Swift code marked with the ‘@objc’ attribute. It allows developers to transition from Objective-C to Swift or integrate Swift into legacy projects without having to rewrite everything from scratch. Swift also can easily work with libraries and frameworks written in Objective-C. That provides an easy way to leverage existing resources and maintain compatibility in mixed-language projects. This flexibility will allow teams to adopt Swift incrementally while retaining their existing Objective-C codebase.

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