AnaAreMere.scala

import java.util.{Map,HashMap}
trait Fruct
case object Mar extends Fruct
case object Par extends Fruct

class Persoana {
  private var numarDeFructe = 0
  private var fructe = new HashMap[Fruct,Int]()
  def are(numarDeFructe: Int): Persoana = {
    this.numarDeFructe = numarDeFructe
    this
  }
  def mere: Persoana = {
    fructe.put(Mar, numarDeFructe)
    numarDeFructe = 0
    this
  }
  def numarDeFructe(fruct: Fruct) = fructe.get(fruct)
  override def toString: String = fructe.toString
}

object Interogare {
  class Interogare {
    var fruct:Fruct = _
    def cate(fruct: Fruct) = {
      this.fruct = fruct
      this
    }
    def are(cine: Persoana) = {
      cine.numarDeFructe(fruct)
    }
  }

  def apply(): Interogare = new Interogare
}

object AnaAreMere {
  def main(args: Array[String]): Unit = {
    val ana = new Persoana
    val mere = Mar
    (ana are 7 mere)
    (ana are 2 mere)
    println("Ana are: " + (Interogare() cate mere are ana) + " mere")
    (ana are 3 mere)
    println("Ana are: " + (Interogare() cate mere are ana) + " mere")
  }
}