Is swift a good language to learn?
- 0 Answers
- 552 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
What is data structure in swift?
How can you write a comment in swift?
What are the two main integer types in swift?
How can we define a base class in swift?
What are the advantages of swift?
What is base class in swift?
Swift defines the AnyObject type alias to represent instances of any reference type, and it’s internally defined as a protocol. Consider the following code: var array = [AnyObject]() struct Test {} array.append(Test()) This code generates a compilation error, with the following error message: Type 'Test' does not conform to protocol 'AnyObject' The failure is obvious because a struct is a value and not a reference type, and as such it doesn’t implement and cannot be cast to the AnyObject protocol. Now consider the following code: var array = [AnyObject]() array.append(1) array.append(2.0) array.append("3") array.append([4, 5, 6]) array.append([7: "7", 8: "8"]) struct Test {} array.append(Test()) The array array is filled in with values of type respectively int, double, string, array and dictionary. All of them are value types and not reference types, and in all cases no error is reported by the compiler. Why?
Mention what is the difference between Swift and ‘Objective-C’ language?
What is instance variable in swift?
Is swift thread safe?
What is string in swift?
Should I use struct or class swift?
Apple iOS 
