import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Combobox extends JPanel implements ActionListener{
	JLabel selection = new JLabel("Choose your option");
	JLabel picture = new JLabel();
	public Combobox() {
		String[] petStrings = { "rabbit", "puppy", "kitten", "chipmunk"};
		 JComboBox petList = new JComboBox(petStrings);
		 petList.addActionListener(this);
		 picture.setPreferredSize(new Dimension(200, 200));
		 add(selection);
		 add(petList);
		 add(picture);
	}

	 /** Listens to the combo box. */
	public void actionPerformed(ActionEvent e) {
		 JComboBox cb = (JComboBox)e.getSource();
		 String petName = (String)cb.getSelectedItem();
		 selection.setText("You selected "+petName);
		 ImageIcon icon = new ImageIcon(petName+".jpg");
	     picture.setIcon(icon);

    }
}

public class SimpleJcomboBox {
public static void main(String[] args) {
	JFrame frame = new JFrame("Cute Pets");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Combobox c = new Combobox();
    frame.getContentPane().add(c);
    frame.pack();
    frame.setVisible(true);
}
}