// Purpose.  JList demo

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

public class JListDemo {
   public static JPanel createList( String[] choices ) {
      JPanel lPanel = new JPanel();
      JList list = new JList( choices );

      list.setVisibleRowCount( 4 );
      JScrollPane lsp = new JScrollPane( list );
      lPanel.add( lsp );

      ListSelectionListener lsl = new ListSelectionListener() {
         public void valueChanged( ListSelectionEvent e ) {
            if (e.getValueIsAdjusting() == false) return;
            System.out.println( ((JList)e.getSource()).getSelectedValue() );
         }
      };
      list.addListSelectionListener( lsl );
      return lPanel;
   }

   public static void main( String[] args ) {
      JFrame frame = new JFrame( "JList demo" );
      frame.addWindowListener( new WindowAdapter() {
         public void windowClosing( WindowEvent e ) { System.exit( 0 ); } } );
      String[] choices = { "Alpha","Bravo","Charlie","Delta","Echo","Foxtrot" };
      frame.getContentPane().add( createList( choices ) );
      frame.setSize( 300, 240 );
      frame.setVisible( true );
   }
}

// Echo
// Charlie
// Delta
// Foxtrot