bottles.scala

class Lylic(num:Int) {
    val currentPlural = plural(num)
    val nextPlural = plural(num-1) 

    def plural(x:Int) = {
        x match {
            case 0 => "No more bottles"
            case 1 => "1 bottle"
            case _ => x + " bottles"
        }        
    }

    def over = {
        currentPlural + " of beer on the wall, " + currentPlural.capitalize + " of beer."
    }

    def under = {
        if(num == 0) "Go to the store and buy some more, 99 bottles of beer on the wall."
        else "Take one down and pass it around, " + nextPlural.capitalize + " of beer on the wall."    
    }

    val get = "\n" + over + "\n" + under
}

(0 to 4).reverse.foreach { num => 
    println(new Lylic(num).get)
}