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

public class ComboBoxTest extends JFrame {
    String[] description = { "Tripp", "Trapp", "Trull" };
    JComboBox c = new JComboBox();
    JTextField t = new JTextField(5);

    public ComboBoxTest() {
	c.addItem("Tripp");
	c.addItem("Trapp");
	c.addItem("Trull");
	t.setEditable(false);

	c.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e){
		    JComboBox box = (JComboBox)e.getSource();
		    t.setText(box.getSelectedItem().toString());
		}
	    });

	Container cp = getContentPane();
	cp.setLayout(new FlowLayout());
	cp.add(t);
	cp.add(c);
    }

    public static void main(String[] args) {
        ComboBoxTest frame = new ComboBoxTest();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 80);
        frame.setVisible(true);
    }
} // class ComboBoxTest