import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

class Example2
  extends JFrame
{
  public Example2()
  {
    Container content_pane = this.getContentPane();
    content_pane.setLayout(new FlowLayout());
    
    String[] names = {"Gregory D. Abowd","Khai N. Truong","George P. Burdell"};
    JComboBox combobox =new JComboBox(names);
    content_pane.add(combobox);
    
    setSize(300,300);
    setVisible(true);
    
    //// 1) access to the data shown in the component
    ComboBoxModel model = combobox.getModel();
    System.out.println("selected item: " + model.getSelectedItem());
    for (int i=0; i<model.getSize(); i++)
      System.out.println("item " + i + ": " + model.getElementAt(i));

    //// 2) selects item in the component
    try
    {
      Thread.sleep(3000);
      model.setSelectedItem("George P. Burdell");
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
  }
  
  public static void main(String argv[])
  {
    new Example2();
  }
}