Swift

Question 0

Swift: how do you declare a constant?

Answer 0

Let variable = value.

Like python, the interpreter will determine the variable type.

Question 1

Swift: what is a playground?

Answer 1

A playground is an on-the-fly command interpreter for swift, similar to the python command line.

Question 2

Swift: how do you create a variable?

Answer 2

var variable (inferred)
var variable: Int

Question 3

Swift: give an example of an if statement

Answer 3

if true 
{
}
Else
{
}

Question 4

Swift: declare a class with a constructor

Answer 4

class MyClass
{
   let constval=3
   var variable: Int

   init (first: Int, second: String)
   {
       Code
   }
}