Scala example source code file (spec-overrides.scala)

This example Scala source code file (spec-overrides.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

app, b, b, base, base, d1, d1, d2, d2, double, test

The Scala spec-overrides.scala source code

 trait Base[@specialized(Double) B] {
  def default: B;
 }

 trait D1 extends Base[Double] {
  override def default = 0.0;
 }

 class D2 extends D1  {
  override def default: Double = 1.0;
 }


object Test extends App {
  val d2 = new D2

  assert(d2.default == 1.0, d2.default)
  assert((d2: Base[_]).default == 1.0, (d2: Base[_]).default)
  assert((d2: D1).default == 1.0, (d2: D1).default)
  
  println(runtime.BoxesRunTime.integerBoxCount)
}