import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

class TestMenuBar {

  /* Declare two arrays, one of string names,
   * one of matching Colors.
   */
  private static final String colorNames[] = {
    "Black", "Blue", "Cyan", "Dark Gray", 
    "Gray", "Green", "Light Gray", "Magenta", 
    "Orange", "Pink", "Red", "White", "Yellow"};

  private static final Color colors[] = {
    Color.black, Color.blue, Color.cyan, Color.darkGray, 
    Color.gray, Color.green, Color.lightGray, Color.magenta, 
    Color.orange, Color.pink, Color.red, Color.white, Color.yellow
  };

  /* Pane that holds the contents of the frame. */
  private static Container pane;

  public static void main(String[] args){

    /* Create a JFrame, set title, and get contents pane. */
    JFrame frame = new JFrame();
    frame.setTitle("Adding Menus");
    pane = frame.getContentPane();
    pane.setLayout(new FlowLayout());

    /* Create the menu bar, and add two menus */
    JMenuBar menuBar = new JMenuBar();
    JMenu fileMenu = new JMenu("File");
    fileMenu.setMnemonic('F');
    menuBar.add(fileMenu);

    JMenu optionsMenu = new JMenu("Options");
    optionsMenu.setMnemonic('O');
    menuBar.add(optionsMenu);

    /* Add the menu bar to the frame */
    frame.setJMenuBar(menuBar);

    /* Add a menu item to options */

    JMenu background = new JMenu("Background");
    background.setMnemonic('B');

    /* Add the colors to the sub menu.
     * Create first an ActionListener to listen to events.
     */
    ActionListener al = new ActionListener(){
	public void actionPerformed(ActionEvent e){
	  for(int i = 0; i<colorNames.length;i++)
	    if(e.getActionCommand()==colorNames[i])
	      pane.setBackground(colors[i]);
	}
      };
    
    /* Array of JMenuItems holding the individual options. */
    JMenuItem[] col = new JMenuItem[colorNames.length];
    
    for(int i = 0;i<colorNames.length; i++){
      col[i] = new JMenuItem(colorNames[i]);
      col[i].addActionListener(al);
      background.add(col[i]);
    }

    /* Add the JMenu background to the options menu. */
    optionsMenu.add(background); 
    
    frame.setSize(300,300);
    frame.show();
    
    frame.addWindowListener(new WindowAdapter(){
	public void windowClosing(WindowEvent e){System.exit(0);}
      });
  }

}