Multi-Column JList (VERY URGENT!)

Hi all,
This is REALLY URGENT. Can anyone tell me how i can create a JList with two columns (key-value).
And also, how can i set the editing in a JTable to be false. A prompt reply would be life-saving for me. Thanks in advance.
capuccino...
[253 byte] By [capuccino] at [2007-11-15 21:31:44]