String[] words = wordBag.toArray();
String[] dict = dictBag.toArray();

Exception in thread "main" java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast           to [Ljava.lang.String;

//  public <T> T[] toArray() //OK
public T[] toArray() //OK
{
  // the cast is safe because the new array contains null entries
  @SuppressWarnings("unchecked")
  T[] result = (T[])new Object[numberOfEntries]; // unchecked cast

    for (int index = 0; index < numberOfEntries; index++)
    {
        result[index] = bag[index];
    } // end for

    return result;
} // end toArray