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via Oracle Community by 807595, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at Arecord.fillspace(Arecord.java:123)	at Arecord.write(Arecord.java:104)	at StudentD.enterl(StudentD.java:122)	at StudentD.main(StudentD.java:50)