Case Class default apply method

Question

Assuming we have the following case class:

case class CasePerson(firstName: String)

And we also define a companion object for it:

Answer 1

Scala case classes are syntactic sugar. When you create a case class the Scala compiler will create a companion object with an apply and an unapply method for you, which you can then use as if it simply exists. Here is a link to more in depth information on case classes.