Easy ways to pimp you Java with Scala while being fully compatible with the Java ecosystem

pimpmyjava.scala

import scala.reflect.BeanProperty

// Easy ways to pimp you Java with Scala while being fully compatible with the Java ecosystem 

// java bean scala
case class Person(@BeanProperty var name:String, 
                  @BeanProperty var alter:Int) {
  import System.{currentTimeMillis => currTime}
  protected val creationTime = currTime
  def lifeTime = currTime - creationTime
  def wasBinIchInXjahren(j:Int=1) = alter  + j
}

// scala way to define a debug version of the class without having to change
// the main impl
trait PersonDebug { self:Person =>
  override def toString = super.toString + " creationTime: "+self.creationTime  
}

def run() {
 val p1 = new Person("Heinz", 20)
 println(p1) // nice println generated by case class
 
 //@BeanProperty generates setters (if using var/val)
 //and getters (if useing var)
 p1.setAlter(21)
 println(p1)
 
 val p2 = new Person("Tobias", 25)
 println(p2)
 
 // equals / hashCode is also generated
 println("p1 and p2 are"+(if (p1 != p2) " not ")+ "equal") 
 
 val p1debug = new Person("Heinz", 20) with PersonDebug
 println(p1debug)
}