bottles are a bit nicer now

examples/src/Bottles.jetl

@@ -3,21 +3,25 @@ namespace bottles;
 fun main(args: Array<String>) {
     var bottles: Int = 99;
     while(bottles > 0) {
-        System.out?.print(bottles)
-        System.out?.print(if (bottles > 1) " bottles" else " bottle")
-        System.out?.print(" of beer on the wall, ")
-        System.out?.print(bottles)
-        System.out?.print(if (bottles > 1) " bottles" else " bottle")
-        System.out?.println(" of beer.")
+        System.out?.print(bottlesOfBeer(bottles))
+        System.out?.print(" on the wall, ")
+        System.out?.print(bottlesOfBeer(bottles))
+        System.out?.println(".")
         System.out?.print("Take one down, pass it around, ")
         bottles -= 1;
         if (bottles == 0) {
           System.out?.print("no more bottles of beer on the wall.")
         }
         else {
-          System.out?.print(bottles)
-          System.out?.print(if (bottles > 1) " bottles" else " bottle")
-          System.out?.println(" of beer on the wall.")
+          System.out?.print(bottlesOfBeer(bottles))
+          System.out?.println(" on the wall.")
         }
     }
 }
+
+fun bottlesOfBeer(count: Int): String? {
+  val result = new StringBuilder()
+  result.append(count)
+  result.append(if (count > 1) " bottles of beer" else " bottle of beer")
+  return result.toString()
+}