基于J2ME的一道编程题的修改,急!!!!!!!

请问怎样才能在J2ME上实现显示图片的功能啊?程序如下:import javax.microedition.midlet.*;import javax.microedition.lcdui.*;public class ImageDemo extends MIDlet implements CommandListener {private Display display;private Form mForm;private Image mImage;private Command exitCommand;public ImageDemo() { mForm = new Form( "Image"); try { mImage = Image.createImage( "test.png"); } catch ( java.io.IOException e) { } mForm.append( mImage); exitCommand = new Command( "Exit", Command.SCREEN, 1); mForm.addCommand( exitCommand); mForm.setCommandListener(this);}public void startApp() { display = Display.getDisplay( this); display.setCurrent( mForm);}public void pauseApp() {}public void destroyApp( boolean unconditional) {}public void commandAction( Command c, Displayable s) { if (c == exitCommand) { destroyApp( false); notifyDestroyed(); }}}说是要插入一幅图片在/apps/res文件夹内,好象问题就出在mImage = Image.createImage( "test.png");这句话上.具体应该怎样操作?是类名取得不对还是路径错误?请高人指点.

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你的图片是不是没有和源文件在一个目录中啊！