----jGRASP exec: java IO_bernarmj_Remember birthdays.txt

Exception in thread "main" java.lang.NullPointerException
	at java.io.FileOutputStream.<init>(Unknown Source)
	at java.io.FileOutputStream.<init>(Unknown Source)
	at java.io.FileWriter.<init>(Unknown Source)
	at IO_bernarmj_Remember.main(IO_bernarmj_Remember.java:26)

 ----jGRASP wedge2: exit code for process is 1.
 ----jGRASP: operation complete.