What is retain in swift?
What is a tuple in swift?
What is extension in swift?
What is better swift or objective c?
What language is swift written?
How long does it take to learn swift?
What are swift properties?
What do you mean by optional chaining in swift?
What is encapsulation in swift?
What are the different collection types available in swift?
In swift, what type of object are basic data types?
What are the various ways to unwrap an optional in swift?
What are functions in swift?
How can we define a base class in swift?
What is mutable and immutable in swift?