import javax.swing.*;

class TestCase
{
  public static void main(String args[])
  {
    JFrame jf = new JFrame();
    JPanel topPanel;
    JTable table;
    JScrollPane scrollPane;

    // Create a panel to hold all other components
    topPanel = new JPanel();
    jf.getContentPane().add( topPanel );
    
    // Create columns names
    String columnNames[] = { "Column 1", "Column 2", "Column 3" };
    
    // Create some data
    String dataValues[][] =
      {
        { "12", "234", "67" },
        { "-123", "43", "853" },
        { "93", "89.2", "109" },
        { "279", "9033", "3092" }
      };
    
    // Create a new table instance
    table = new JTable( dataValues, columnNames );

    table.setColumnSelectionAllowed(true);
    table.setRowSelectionAllowed(true);

    // Add the table to a scrolling pane
    scrollPane = new JScrollPane( table );
    topPanel.add( scrollPane);

    jf.pack();
    jf.show();
  }
}