Sort element inside JComboBox

Hi,
i have a JComboBox containing list of Strings
so lets say:
String[] test = {"omega", "alpha", "beta", "Arc"}
JComboBox testing = new JComboBox(test);
now is there a way to sort the elements inside the JComboBox once they have been inserted ? or anyone know how to sort the elements before putting them in inside JComboBox ?
the sample code was just for testing and I am dealing with MANY elements (at least 10) inside the JComboBox
thanks in advance
if you have any links that helps with this topic, I will also appreciate it

<hmm>
1) Check out the [url http://java.sun.com/docs/books/tutorial/collections/index.html]Collections API
2) Note that using a java.util.Vector, (which combo box accepts in its constructor), allows you to do
one of two things:
............If you are using a custom object, have it implement Comparable
............If you are using flat Strings, never mind...
Then calling java.util.Collections.sort(myVector) would do this for you. NOTE: by not implementing
Comparable, this may have undesirable results....
A number of collection objects sort by default when you add an element.....

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