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via Coderanch by sumit anand kumar, 1 year ago
java.lang.NullPointerException: 	at constants.ConstantObject.(ConstantObject.java:31)	at constants.ConstantObject.(ConstantObject.java:20)	at constants.SerializeDeserialize.writeDuplicateConstantObject(SerializeDeserialize.java:23)	at constants.SerializeDeserialize.main(SerializeDeserialize.java:43)