سلام دوست عزیز این هم از stack trace
debug:
Exception in thread "main" java.lang.NullPointerException
at java.io.Writer.write(Writer.java:157)
at shaghayegh.WriteFile.WriteOut(WriteFile.java:25)
at shaghayegh.Shaghayegh.main(Shaghayegh.java:32)
Java Result: 1
BUILD SUCCESSFUL (total time: 3 seconds)
پاسخ با نقل قول