Members.scala - basic demo of Scala overriding traits

gistfile1.txt

abstract class Member {
  def memberId: Int
  def firstName: String
  def lastName: String
}

class BasicMember(val memberId: Int, val firstName: String, val lastName: String) extends Member

trait BuckooBucks {
  var buckooBalance: Int = 1000

  def addBucks(amt: Int) = {
    buckooBalance += amt
  }
}

class BuckooMember(memberId: Int, firstName: String, lastName: String) extends BasicMember(memberId: Int, firstName: String, lastName: String) with BuckooBucks

trait DoubleBuckooBucks extends BuckooBucks {
  abstract override def addBucks(amt: Int) = {
    val doubledAmount = amt * 2
    super.addBucks(doubledAmount)
  }
}