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serialization question

Mike Mitchell
Ranch Hand

Joined: May 28, 2008
Posts: 37
hi. I was trying to whip something up to demonstrate that if a serializable object's parent is not serializable, than any inherited attributes will not be serialized.

However, when I run TestSerial below, I get the following exception. Having trouble understanding why. Anybody see the problem? If I make Food implement Serializable, it runs without exception.

Thanks much,

[ July 20, 2008: Message edited by: Mike Mitchell ]

Don Solomon
Ranch Hand

Joined: Jul 20, 2008
Posts: 48
Hey Mike,
I had to add a default constructor to Food Class for your program to work; which I believe is a requirement for non-Serializable supers.

Anyone correct me if I am wrong.

[ July 20, 2008: Message edited by: Don Solomon ]

Software development is an exercise in thinking not coding.
kaushik vira
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Joined: Feb 01, 2007
Posts: 102
Ya.. Default constructor in parent class is mandatory if you are relaying on default serialization.

kaushik Vira
SCJP, Preparing SCWCD..
Mike Mitchell
Ranch Hand

Joined: May 28, 2008
Posts: 37
Thanks Don and Kaushik. That was it -- I needed a default constructor in the non-serializable super class.
I agree. Here's the link:
subject: serialization question
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