Thách thức mọi câu hỏi phỏng vấn Swift dành cho lập trình viên

What is typecasting?

Explain the difference between DispatchQueue.main.async and DispatchQueue.main.sync ?

What are the differences between functions and methods in Swift?

How to sort array of custom objects by property value in Swift?

What does the Swift mutating keyword mean?

When to use strong , weak and unowned references?

What’s the difference between a protocol and a class in Swift?

What’s a strong reference, and why do we need it?

What's the difference between Self vs self ?

What is a good use case for an inout parameter?

When would you use self in a method?

When to use a set rather than an array in Swift?

What's the main difference between the Array , Set and Dictionary collection
type?

What is the difference between let and var in Swift?

In Swift enumerations, what’s the difference between raw values and associated values?

What is difference between as? , as! and as in Swift?

When to use @objc attribute?

What Classes and Structs have in common in Swift and what are their differences?

What is the difference between a computed property and a property set to a closure?

What does the required keyword in Swift mean?

What is trailing closure syntax?

When should I use deinit ?

Explain the defer usage in Swift