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Behavior is Easy, State is Hard

Behavior is Easy, State is Hard

NullPointerException on a field that was never supposed to be null? Negative value on an “always positive” field? Ever wondered why these bugs happen? You’re not alone.

Join this session to learn about the root cause of these common bugs in production using the Java language and learn how to solve them by applying some interesting techniques in your business code.


Edson Yanaga

May 20, 2020


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