How many phases are there in Swift's object initialization?

The IDE used for developing Swift applications is

Which operator is used to access class members in Swift?

Where is Swift mostly used?

What is the starting point of an iOS application?

What are the advantages of the two-phase initialization process in Swift?

What is optional chaining in Swift?

Which of the following is used to resolve a strong reference cycle in Swift?

What will be the output of the following lines of code in Swift?

var numbers = [1, 4, 3, 2, 4]

numbers = numbers.sorted(by: { $0 > $1 })

print(numbers)

Which of the following is the correct method for defining closures in Swift?