gistfile1.txt

coll.find().map(new Function<Document, String>() {
   @Override
   public String apply(final Document document) {
       return document.getString("name");
   }
}).into(names, new SingleResultCallback<List<String>>() {
   @Override
   public void onResult(final List<String> names, final Throwable t) {
       if (t != null) {
           System.out.println("There was an error: " + t);
       } else {
           System.out.println("Names: " + names);
       }
   }
});