public class GameUtil{

 

  public static Image getImage(String path){

  URL u=GameUtil.class.getClassLoader().getResource(path);

  System.out.println(u);

  BufferedImage img=null;

  try {

    img=ImageIO.read(u);

  } catch (IOException e) {

    // TODO Auto-generated catch block

    e.printStackTrace();

    }

  return img;

  }
}

然后直接使用该静态方法即可

如Image img=GameUtil.getImage("Images/3.jpg");