How to copy elements from one JList to another JList?

I have 2 JLists. availableList and selectedList.
String availableData [] = {"A","B","C","D","E","F"};
JList availableList = new JList(availableData);
JList selectedList = new JList();
Now on 'Copy >>>' action I want the elements from availableList to be copied to selectedList (elements in the first JList should not be removed.)
on actionPerformed I used: selectedList.setListData(availableList.getSelectedValues()) but it is adding only one element at a time.
Can anyone help me in solving this problem? I want the elements from availableList to be copied to selevtedList and the duplicate should not happen. No need to sort the selectedList. just adding one by one.
Thanks in Advance!
Edited by: DeepakKotla on Oct 9, 2007 5:25 PM

You might want to use a model to make it easier to add and transfer data
like using DefaultListModel.

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