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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T18:46:32+00:00 2026-05-27T18:46:32+00:00

I have a case where I would like to catch an update event on

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I have a case where I would like to catch an update event on a table, check what the current value is and what the new value would be for the affected column + row. If its not what is expected, I would like cancel the update and revert it back to what it was. This is incredibly hard to do with the TableModelListener and I keep running into stack overflow errors, because I am unable to manually maintain the state and revert it back without it recursively calling itself again.

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  1. Editorial Team
    Editorial Team
    2026-05-27T18:46:33+00:00Added an answer on May 27, 2026 at 6:46 pm

    Create your own TableModel (or extend DefaultTableModel or AbstractTableModel), and override setValueAt – in there, you can either update the underlying model (with super.setValueAt()) or throw it away – you don’t need to save the old value, because the change will never go through unless you call the superclass.

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