package fly;import javax.microedition.lcdui.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2004</p> * <p>Company: </p> * @author not attributable * @version 1.0 */public class Navigate {  private static Navigate instance;  public static MyGameCanvas mc;  public static FlyMidlet midlet;  public static Display display;  protected Navigate(FlyMidlet midlet) {    Navigate.midlet=midlet;    Navigate.mc=MyGameCanvas.getInstance();    Navigate.display=Display.getDisplay(midlet);  }  synchronized public static Navigate getInstance(FlyMidlet midlet){    if (instance == null) {      instance = new Navigate(midlet);      System.out.println("new Navigate");    }    return instance;  }  public static void cleanJob(){    instance=null;  }}