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Editorial Team
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Asked: 2026-05-27T02:02:11+00:00

I am using a JTable and I let the user fill it in with

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I am using a JTable and I let the user fill it in with integers in one of the columns (the interface with the table pops out in a seperate window). When I type a value and press “ENTER” and then close the window everything saves fine. However, if I just type something in one of the cells and close the window, when I reopen it the new cell values are not there.

I would like the values to be updated in real time as I type every single character. Is it possible? I’ve tried applying a TableCellEditor, but I couldn’t get it to work.

I’ve also tried add a KeyListener to the JTable, but the KeyPressed wouldn’t invoke at all.

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1 Answer

  1. Editorial Team

    (making my comment an answer, so you can close it 🙂

    Assuming the input field is the editor inside the table itself, set the client property: 

    table.putClientProperty("terminateEditOnFocusLost", Boolean.True)
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