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Study Reminders
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The key learning points from this module are:@Objc is used to expose functions to Objective-C code.Encapsulation is used in object oriented programming to restrict direct access to some of the object's components.There are 8 bits in one byte of data.Optionals is a type that can hold a value or no value.Force unwrapping optionals is the action of extracting the value contained inside an optional.