import javax.swing.JTable; public class Main { public static void main(String[] argv) throws Exception { int rows = 10; int cols = 5; JTable table = new JTable(rows, cols); table.setColumnSelectionAllowed(true); table.setRowSelectionAllowed(true); int row = 1; int col = 3; boolean success = table.editCellAt(row, col); if (success) { boolean toggle = false; boolean extend = false; table.changeSelection(row, col, toggle, extend); } if (table.getCellEditor() != null) { table.getCellEditor().cancelCellEditing(); } } }