Как загрузить картинку? - Java

[JAVA]
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
 
public class ComboBox extends JPanel
                          implements ActionListener {
    JLabel picture;
 
    public ComboBoxDemo() {
        super(new BorderLayout());
 
        String[] petStrings = { "Птица", "Кошка", "Собака", "Кролик", "Свинья" };
 
        JComboBox petList = new JComboBox(petStrings);
        petList.setSelectedIndex(4);
        petList.addActionListener(this);
 
        //Set up the picture.
        picture = new JLabel();
        picture.setFont(picture.getFont().deriveFont(Font.ITALIC));
        picture.setHorizontalAlignment(JLabel.CENTER);
        updateLabel(petStrings[petList.getSelectedIndex()]);
        picture.setBorder(BorderFactory.createEmptyBorder(10,0,0,0));
 
        picture.setPreferredSize(new Dimension(177, 122+10));
 
        add(petList, BorderLayout.PAGE_START);
        add(picture, BorderLayout.PAGE_END);
        setBorder(BorderFactory.createEmptyBorder(20,20,20,20));
    }
 
    public void actionPerformed(ActionEvent e) {
        JComboBox cb = (JComboBox)e.getSource();
        String petName = (String)cb.getSelectedItem();
        updateLabel(petName);
    }
 
    protected void updateLabel(String name) {
        ImageIcon icon = createImageIcon("изображения/" + name + ".gif");
        picture.setIcon(icon);
        picture.setToolTipText("рисунок " + name.toLowerCase());
        if (icon != null) {
            picture.setText(null);
        } else {
            picture.setText("Image не найдена");
        }
    }
 
    protected static ImageIcon createImageIcon(String path) {
        java.net.URL imgURL = ComboBoxDemo.class.getResource(path);
        if (imgURL != null) {
            return new ImageIcon(imgURL);
        } else {
            System.err.println("Не удалось найти файл: " + path);
            return null;
        }
    }
 
    private static void createAndShowGUI() {
        JFrame frame = new JFrame("ComboBox");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
        JComponent newContentPane = new ComboBoxDemo();
        newContentPane.setOpaque(true); 
        frame.setContentPane(newContentPane);
 
        frame.pack();
        frame.setVisible(true);
    }
 
    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}