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What is kvc and kvo? Give an example of using kvc to set value.
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Answer / Shailendera Pratap Singh
Key-Value Coding (KVC) and Key-Value Observing (KVO) are Objective-C runtime features that allow programmers to access and manipulate object properties without explicitly defining getters and setters. For example, setting a property using KVC: `[myObject setValue:@"newValue" forKey:@"propertyName"]`.
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