Jtable keep the selected cells' background

hi,
I want to change the background color of the selected cells.
after selection, I may do another selection,but I want to keep the previous selected cells' background color.
any help will be appreciated!
thanks!
zhangv

Did you try using Ctrl + Mouse Click ?
Remember you need to set following property before you try the above solution:
tableObj.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION );

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