$ # implicit serialVersionUID (none declared)
$ java -cp v1 DriftWrite
wrote 113 bytes; serialVersionUID in stream = 1201216851776330172
$ java -cp v2 DriftRead   # v2 adds a field
this class's serialVersionUID = -732213015030957059
InvalidClassException: com.ankurm.serialization.drift.Account; local class incompatible: stream classdesc serialVersionUID = 1201216851776330172, local class serialVersionUID = -732213015030957059