Scala example source code file (t4114.scala)

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Java - Scala tags/keywords

a, a, b, b, list, list

The Scala t4114.scala source code

abstract class A {
  private def foo = List(1, 2)
}
trait B extends A {
  private def foo = List("a", "b")
  // However it compiles correctly if the type is given:
  // private def foo: List[String] = List("a", "b")
}