Scala example source code file (abstract-vars.scala)

This example Scala source code file (abstract-vars.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

a, a, fail1, fail1, fail2, fail2, fail3, fail4, fail5, int, int, success1, success2

The Scala abstract-vars.scala source code

abstract class A {
  var x: Int
}

class Fail1 extends A {
  var x: Int
}

class Fail2 extends A { }

class Fail3 extends A {
  val x: Int = 5
}
class Fail4 extends A {
  def x: Int = 5
}

class Fail5 extends A {
  def x_=(y: Int) = ()
}

class Success1 extends A {
  val x: Int = 5
  def x_=(y: Int) = ()
}

class Success2 extends A {
  var x: Int = 5
}