Menempatkan gambar di atas objek Canvas, pada JAVA (J2ME)

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.io.IOException;

public class GambarDalamCanvas extends MIDlet
  implements CommandListener {
   
  private Display display;
  private CanvasGambar canvas;
 
  private final Command cmdKeluar =
    new Command("Keluar", Command.EXIT, 1);
 
  public GambarDalamCanvas() {
    display = Display.getDisplay(this);
    canvas = new CanvasGambar(this);
    canvas.addCommand(cmdKeluar);
    canvas.setCommandListener(this);
  }
   
  public void startApp() {
    display.setCurrent(canvas);
  }
   
  public void pauseApp() {
  }
   
  public void destroyApp(boolean unconditional) {
  }
   
  public void commandAction(Command c, Displayable s) {
    if (c == cmdKeluar) {
      destroyApp(false);
      notifyDestroyed();
    }
  }          
 
  //inner class
  class CanvasGambar extends Canvas {
     
    private GambarDalamCanvas midlet;
    private Image image = null;
     
    public CanvasGambar(GambarDalamCanvas midlet) {
         
      this.midlet = midlet;
         
      try {
        image = Image.createImage("Java.png");
      } catch (IOException ioe) {
        ioe.printStackTrace();
      }
    }
     
    public void paint(Graphics g) {
      g.setColor(255, 255, 255);
      g.fillRect(0, 0, getWidth(), getHeight());
      g.setColor(0, 0, 255);
      g.drawString("Contoh gambar dalam canvas", 3, 0,
                   g.LEFT | g.TOP);
      g.drawImage(image, 3, 20, g.LEFT | g.TOP);
    }
  };
 
}