[NSWI080] Task 2 - Java - Accessing (non existing) optional field

[Matúš Maďar]

Hello all.
I haven't found anything in documentation so I'd like to ask. Did anyone
encounter and can explain, what is the expected behaviour in Java, when you
try to access optional field in service? E.g. if ItemA doesn't have fieldZ
defined; will it throw some exception or will it just return default value
of the type of field?
Thanks!
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