import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class Main {
public static void main(String[] args) {
JFrame f = new JFrame("Test");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTable table = new JTable(new String[][] { { "One" }, { "Two" },
{ "Three" } }, new String[] { "Ordinal" });
table.addRowSelectionInterval(1, 1);
f.add(new JScrollPane(table));
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}