What are the various ways to unwrap an optional in swift?
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What is mutable and immutable in swift?
Explain the difference between let and var in swift programming?
What is nil-coalescing operator?
What type of literals does swift language have?
Explain any three-shift pattern matching techniques?
Explain the usage of class and benefits of inheritance.
What are floating point numbers? How many types of floating number are there?
How does closure work in swift?
What is “defer”?
Is apple using swift?
What is lazy stored procedure in swift and when is it used?
Does swift have abstract classes?