Type in expressions to have them evaluated.
Type :help for more information.

scala> 

scala> classManifest[List[_]]
warning: there were 1 deprecation warnings; re-run with -deprecation for details
res0: scala.reflect.ClassTag[List[_]] = scala.collection.immutable.List[Any]

scala> scala.reflect.classTag[List[_]]
res1: scala.reflect.ClassTag[List[_]] = scala.collection.immutable.List

scala>