Scala example source code file (bug1974.scala)

This example Scala source code file (bug1974.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

broken, class, class, map, map, string, string, works, works2, works2

The Scala bug1974.scala source code

object Broken {
  private var map = Map[Class[_], String]()
  
  def addToMap(c : Class[_], s : String) = map += (c -> s)
  def fetch(c : Class[_]) = map(c)
}

object Works {
  private var map = Map[Class[_], String]()
  
  def addToMap(c : Class[_], s : String) = map += ((c, s))
  def fetch(c : Class[_]) = map(c)
}

object Works2 {
  private var map = Map[Class[_], String]()
  
  def addToMap(c : Class[_], s : String) = map += ((c : Class[_]) -> s)
  def fetch(c : Class[_]) = map(c)
}