Reusable method to transform Iterable<T> to T[]?

Question

I'm trying to write a generic method to return the contents of an Iterable in array form.

Here is what I have:

public class IterableHelp {     public <T> T[] toArray(Iterable<T> elements)     {         ArrayList<T> arrayElements = new ArrayList<T>();         for(T element : elements)         {             arrayElements.add(element);         }          return (T[])arrayElements.toArray();     } } 

But I'm getting a compiler warning 'Note: ...\IterableHelp.java uses unchecked or unsafe operations.'

Any thoughts on another approach that would avoid such a warning?