//Returns all of the words in the trie that begin with the specified prefix rooted at this node.
//An array of length 0 is returned if there are no words that begin with the specified prefix.
public String[] getWords(String prefix)
{
Tire n = getNode(prefix);
if (n == null)
{
return(new String[0]);
}
String[] arr = new String[n.size()];
n.getWords(arr, 0);
return(arr);
}
