import javax.microedition.lcdui.*;public class Uses {    /** Copyright notice */    private static final String strHelp =	    "   press key 2 or up go up.\n"      + "   press key 8 or down go down.\n"      + "   press key 4 or left go left.\n"            + "   press key 6 or right go right.\n"      										         + "   press key 5 or select.\n"	  + "   undo move,two press key * ";    /** the previous screen to go back to */    private Displayable previous;    /**     * Do not allow anyone to create this class     */    private Uses() {};    /**     * Put up the About box and when the user click ok return     * to the previous screen.     * @param display The <code>Display</code> to return to when the     *                 about screen is dismissed.     */    public static void showHelp(Display display) {	Alert alert = new Alert("Help Caro");	alert.setTimeout(Alert.FOREVER);	// Add the copyright	alert.setString(strHelp);	display.setCurrent(alert);    }}