combo Box Example

import javax.swing.*;
import java.awt.event.*;
/*


*/
public class combo extends JApplet implements ItemListener
{
JPanel panel;
JComboBox ch1;
String str[]={"Domestic","International"};

public void init()
{
panel=new JPanel();
getContentPane().add(panel);
ch1=new JComboBox(str);
JTextField txt1;

panel.add(ch1);
ch1.addItemListener(this);
}

public void itemStateChanged(ItemEvent e)
{
if(ch1.getSelectedItem()=="Domestic")
{
JOptionPane.showMessageDialog(null,"Domestic Flights","Message",1);
}
else
{
JOptionPane.showMessageDialog(null,"International Flights","Message",1);
}
}

}