@SuppressWarnings("unchecked")
	public E get (int index) {
		return index >= size ? null : (E)queue[index];
	}
@ SuppressWarnings ( "unchecked" ) public E get ( int index ) { return index >= size ? null : ( E ) queue [ index ] ; }
Retrieves the element at the specified index. If such an element doesn't exist {@code null} is returned.
<p>
Iterating the queue by index is <em>not</em> guaranteed to traverse the elements in any particular order.

@return the element at the specified index in this queue.