#Scala case class how to#

This means that if you were to inspect the runtime type of some instance, that you might not have access to all type information that the Scala compiler has available at compile time. Why are Scala types erased at compile time?Īs with other JVM languages, Scala’s types are erased at compile time. The advantage of using a type parameter is that we now know the type of the thing inside the magic hat. Which is an example of a two parameter class in Scala?Ī two-parameter example would be something like class Bar. This implementation of a Stack class takes any type A as a parameter. One convention is to use the letter A as type parameter identifier, though any parameter name may be used. Generic classes take a type as a parameter within square brackets. How are generic classes implemented in Scala stack?

How is a constructor used in Scala programming?.

#Scala case class how to#

How to infer the type of a Scala function?.

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