img1 = Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("/Penguins.jpg"));
为什么会报错啊?
img1 = Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("/Penguins.jpg"));
为什么会报错啊?
错误信息:Exception in thread "main" java.lang.NullPointerException
at sun.awt.SunToolkit.getImageFromHash(Unknown Source)
at sun.awt.SunToolkit.getImage(Unknown Source)
at com.ads.My_Panel.(MyTankGame1.java:51)