Scala example source code file (arrays-traits.scala)

This example Scala source code file (arrays-traits.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

array, array, baseg, baseg, bases, bases, superg, supers, supers, t, test

The Scala arrays-traits.scala source code

import runtime.ScalaRunTime._



trait SuperS[@specialized(AnyRef) T] {
  def arr: Array[T]
  def foo() = arr(0)
  def bar(b: Array[T]) = b(0) = arr(0)
}


class BaseS[@specialized(AnyRef) T](val arr: Array[T]) extends SuperS[T] {
}


trait SuperG[T] {
  def arr: Array[T]
  def foo() = arr(0)
  def bar(b: Array[T]) = b(0) = arr(0)
}


class BaseG[T](val arr: Array[T]) extends SuperG[T] {
}


object Test {
  
  def main(args: Array[String]) {
    (new BaseS(new Array[String](1)): SuperS[String]).foo
    println(arrayApplyCount)
    (new BaseS(new Array[String](1)): SuperS[String]).bar(new Array[String](1))
    println(arrayApplyCount)
    println(arrayUpdateCount)
    
    (new BaseG(new Array[String](1)): SuperG[String]).foo
    println(arrayApplyCount)
    (new BaseG(new Array[String](1)): SuperG[String]).bar(new Array[String](1))
    println(arrayApplyCount)
    println(arrayUpdateCount)
  }
  
}