What is is “(x, y)” in Scala, and what is actually being returned?

Question

scala> def check(a: Int, b: Int): (Int, Int) = {
      (3, 4)
      }

The returning type is (Int, Int). How is this possible? What is S

Answer 1

The type (Int, Int) is just a nicer way of writing Tuple2[Int,Int]