Getting bytes of string more elegantly

sylvilagus/scala/src/main/scala/com/meatballhat/sylvilagus/ch02/HelloWorldProducer.scala

@@ -14,9 +14,8 @@ object HelloWorldProducer extends App {
         channel.exchangeDeclare("hello-exchange", "direct", true)
         channel.queueDeclare("hello-queue", false, false, false, null)
 
-        println("Publishing ", messageBody)
-        channel.basicPublish("hello-exchange", "hola", null,
-            messageBody.toCharArray().map(_.toByte))
+        printf("Publishing '%s'\n", messageBody)
+        channel.basicPublish("hello-exchange", "hola", null, messageBody.getBytes())
 
         connection.close()
     }