What is the value of t after this code is executed? let names = ["Larry", "Sven", "Bear"] let t = names.enumerated().first().offset

What is the value of test after this code executes? let vt = (name: "ABC", val: 5) let test = vt.0

What is the base class in this code? class LSN : MMM {}

What must a convenience initializer call?

Which object allows you access to specify that a block of code runs in a background thread?

What is the inferred type of x? let x = ["a", "b", "c"]

In Apple Swift, subscripts can take:

find out the output generated by the following lines. let b1 = abc([9,-7,3,110,4,721) print('number: \(b1.x), \(b1.y)')

In Swift, which of the following collection types is/are implemented as (a) generic collection(s)? 0 Array

Output? class a1 { func cn10 { for var a = 9; a >=1; --a { for var b = 9; b >= 0; --b{ if b%2==a/2 [ print((b%4),terminator: "“) } } print("") }}} lets = a1() s.cn1()

What will be the output of the given Apple Swift code? var nm = 5.0 class abc[ var x = 0.0 var y: String [ return '\(nm)' ]