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via Oracle Community by 807595, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at BagArray.toString(BagArray.java:49)	at java.lang.String.valueOf(String.java:2177)	at java.io.PrintStream.print(PrintStream.java:462)	at java.io.PrintStream.println(PrintStream.java:599)	at BagArray.main(BagArray.java:62)