Java Programming Tutorial - 71 - JList Program

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

public class Gui extends JFrame {
 private JList list;
 private static String[] colornames = {"black", "blue", "red", "white"};
 private static Color[] colors = { Color.BLACK, Color.BLUE,Color.RED,Color.WHITE};

 public Gui() {
super("title");
setLayout(new FlowLayout());

list = new JList(colornames);
list.setVisibleRowCount(4);
list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
add(new JScrollPane(list));

list.addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent event) {

getContentPane().setBackground(colors[list.getSelectedIndex()]);
}
}
);
 }

}