SetRowSelectionInterval() not working on single-click in JTable

I have code that tries to move the highlighted row in a JTable back to the line you just edited instead of moving to the next line when you press enter after editing a cell (like you would normally see in a JTable or any spreadsheet program). If you double-click in the cell and edit the name, the code works correctly, but if you only single click the cell and enter the name, the code doesn't move the highlight - even though I know the code is being executed.
The code is nothing more than:
if(row == 0)
setRowSelectionInterval(0,0);
else
setRowSelectionInterval(row-1,row);
with row being the row you want to set the highlight to.
Does anyone know why this would work for a double-click edit of a JTable but not a single-click?

even though I know the code is being executed.How do you know that? Do you have a println immediately before the if (row == 0)of the code sample you gave us?

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SetRowSelectionInterval() not working on single-click in JTable

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