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Objektorientierte Programmierung WS 2013/2014 - Datei first.scala

trait Log {
  def logMethod(s: String) {
     println("entering method " + s)
  }
  def logConstructor(s: String) {
     println("entering constructor " + s)
  }
}

class Person(ln : String, fn : String, s : Person) extends AnyRef {
  def lastName = ln
  def firstName = fn
  def spouse = s

  def this(ln : String, fn : String) = { this(ln, fn, null) }

  private def isMarried() = {spouse != null}

  def computeTax(income: Double) : Double = {
      if (isMarried()) income * 0.20 else income * 0.30
  }

  override def toString() = {
      "Hi, my name is " + firstName + " " + lastName +
      (if (spouse != null) " and this is my spouse, " + spouse.firstName + " " + spouse.lastName + "." else ".");
  }
}

object Willy {
   def main( a : Array[String]) {
      val p1 = new Person("Mann", "Willy", new Person("Mann", "Dora"))
      println(p1)
      println(p1.computeTax(42000))
   }
}

Generiert mit Camelot | Probleme mit Camelot? | Geändert am: 20.01.2014