Scala example source code file (t4047.scala)

This example Scala source code file (t4047.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, application, b, bar, bar, c, d, foo, foo, t, test, unit, unit

The Scala t4047.scala source code

trait Foo[T] { val foo: T}

class A extends Foo[Unit]{
  lazy val foo = println("Unit: called A.foo")
}

class B extends Foo[Unit]{
  val foo = println("Unit: called B.foo")
}

trait Bar[T] { def foo: T}

class C extends Bar[Unit]{
  lazy val foo = println("Unit: called C.foo")
}

class D extends Bar[Unit]{
  def foo = println("Unit: called D.foo")
}

object Test extends Application {
  val a: Foo[Unit] = new A
  a.foo
  a.foo
  val b: Foo[Unit] = new B
  b.foo
  b.foo
  val c: Bar[Unit] = new C
  c.foo
  c.foo
  val d: Bar[Unit] = new D
  d.foo
  d.foo
}