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Asked: 2026-05-20T12:52:53+00:00

I have a jTable which currently displays and allows editing of a database table,

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I have a jTable which currently displays and allows editing of a database table, I am now trying to sort adding tuples.

I am trying to get it to automatically add a row on downarrow at the bottom. So if I am at the bottom on the table and click my down arrow a new row will appear below. I just can’t figure out how to do it.

Thanks
James

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1 Answer

  1. Editorial Team

    Action handling of JTable happens in javax.swing.plaf.basic.BasicTableUI. In your case, you probably need to register a new action for SCROLL_DOWN_CHANGE_SELECTION. In the action, check whether the current selection == last row of the table.

    If that doesn’t work, set a breakpoint in javax.swing.plaf.basic.BasicTableUI.Actions.actionPerformed(ActionEvent) to see which action is really executed.

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