Java Code

/*
  * Example showing how to loop through a list of items stored in a List object
  * @author : E.S.Boese
  * @version: Spring 2005
  *  modified: Fall 2005 convert to swing
  */
 import java.awt.*;
 import javax.swing.*;
 public class Debugging extends JApplet
 {
    JList list;
    DefaultListModel model;
    JTextArea textarea;
   public void init( )
   {
	System.out.println( "A" );
	setLayout( new FlowLayout( ) );
	System.out.println( "B" );
	setupList( );
	System.out.println( "C" );

   	textarea = new JTextArea( 5,10 );
	add(textarea);
	System.out.println( "D" );
	
	addListItemsToTextarea( );
	System.out.println( "E" );
   }
   public void setupList( )
   {
	System.out.println( "F" );
	model = new DefaultListModel( );
   	list = new JList(model);
	model.addElement( "Milk" );
	model.addElement( "Cookies" );
	model.addElement( "Eggs" );
	add(list);
	System.out.println( "G" );
   }
   public void addListItemsToTextarea( )
    {
	System.out.println( "H" );
    	for( int i=0; i<model.getSize( ); i++ );       // getSize returns the number of items in the list
	{
	    System.out.println( "I" );
	    textarea.append( (String )model.get(i) );	// grab the item at index i
	    textarea.append( "\n" );
	}
	System.out.println( "K" );
    }
 }