Once in a while Java exception after stop of emulator on breakpoint: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at ...
Debugger is a very important skill, which can greatly improve your productivity. NOTE: you can only get the correct result via debugger, it WON'T work if you try to add print statement like System.out ...
某些結果已隱藏,因為您可能無法存取這些結果。
顯示無法存取的結果