Remove the last row from a table with DefaultTableModel
import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; public class Main { public static void main(String[] argv) throws Exception { DefaultTableModel model = new DefaultTableModel(); JTable table = new JTable(model); // Create some data model.addColumn("Col1"); model.addRow(new Object[] { "r1" }); model.addRow(new Object[] { "r2" }); model.addRow(new Object[] { "r3" }); model.removeRow(model.getRowCount() - 1); JFrame f = new JFrame(); f.setSize(300, 300); f.add(new JScrollPane(table)); f.setVisible(true); } }