我试图读取文件夹中的文件,但是当我运行该程序时,它会抛出此异常.我也尝试过其他一些文件夹.它引发了同样的异常.
Exception in thread "main" java.io.FileNotFoundException: C:\backup (Access is denied)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)