import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JComboBox;
import javax.swing.JFrame;

public class JComboBoxExample implements ActionListener
{
	// Create a JFrame
	private JFrame frame = new JFrame();

	// Create and set up a JComboBox
	String[] comboData = {"cat", "dog", "fish", "ant", "bee", "shark", "zebra", "elephant"};
	private JComboBox combo = new JComboBox(comboData);
	
	public static void main(String[] args)
	{
		new JComboBoxExample();
	}

	public JComboBoxExample()
	{
		// Allow objects to be placed anywhere on the JFrame
		frame.setLayout(null);

		// Don't let the JFrame be resized
		frame.setResizable(false);

		// Allow the JFrame to be closed via the "X" 
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		// Set the size of the JFrame
		frame.setSize(200, 300);

		// Set the background color of the JFrame
		frame.getContentPane().setBackground(Color.BLACK);

		// Position the JFrame in the center of the screen
		frame.setLocationRelativeTo(null);

		// ============================================================

		// Set the size of the JComboBox
		combo.setSize(90, 20);

		// Position the JComboBox on the JFrame
		combo.setLocation(55, 50);

		// Set the index of the JComboBox item that should be initially highlighted; to
		//  start off with NO element highlighted, use the value of -1
		combo.setSelectedIndex(0);

		// Assign an identifier to the JComboBox
		combo.setActionCommand("YeeCombo");

		// Allow the JComboBox to respond to actions
		combo.addActionListener(this);

		// Add the JComboBox to the JFrame
		frame.add(combo);

		// Make the JFrame visible
		frame.setVisible(true);
	}

	public void actionPerformed(ActionEvent event)
	{
		if (event.getActionCommand().equals("YeeCombo"))
		{
			System.out.println(combo.getSelectedIndex());
			System.out.println(combo.getSelectedItem());
		}
	}
}