import java.awt.FlowLayout;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.Icon;
import javax.swing.ImageIcon;

public class ComboBoxFrame extends JFrame{

	private JComboBox imagesJComboBox;
	private JLabel label;

	private static final String[] names = {"bug1.jpg", "bug2.jpg", "bug3.jpg", "bug4.jpg" };
	private Icon[] icons = {

		new ImageIcon(getClass().getResource(names [0])),
		new ImageIcon(getClass().getResource(names [1])),
		new ImageIcon(getClass().getResource(names [2])),
		new ImageIcon(getClass().getResource(names [3]))};

	public ComboBoxFrame(){

		super("Testing JComboBox");
		setLayout(new FlowLayout());

		imagesJComboBox = new JComboBox(names);
		imagesJComboBox.setMaximumRowCount(3);

		imagesJComboBox.addItemListener(new ItemListener(){

			public void itemStateChanged(ItemEvent event){

				if(event.getStateChange() == ItemEvent.SELECTED){
					label.setIcon(icons[imagesJComboBox.getSelectedIndex()]);
				}
			}
		}
		);
		add(imagesJComboBox);
		label = new JLabel(icons [0]);
		add(label);

	}
}