class AlbumDemo {
  // statically typed property
  String title

  // dynamically typed property
  def price

  def printAlbum() {
    println title + ': ' + price
  }

  static void main(String[] args) {
    def album = new AlbumDemo(title: 'Best Of 2010', price: 20.5)
    album.printAlbum()
  }
}