import scala.reflect.classTag object Test extends App { println(classManifest[scala.List[_]]) println(classTag[scala.List[_]]) println(classManifest[scala.collection.immutable.List[_]]) println(classTag[scala.collection.immutable.List[_]]) println(classManifest[Predef.Set[_]]) println(classTag[Predef.Set[_]]) println(classManifest[scala.collection.immutable.Set[_]]) println(classTag[scala.collection.immutable.Set[_]]) }