Win a copy of Design for the Mind this week in the Design forum!
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic

Serialization

 
Sushant Kaushik
Greenhorn
Posts: 25
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Source - K &B chapter 6, Page 455



The Output is -
before: Fido 35
after: Fido 42

This is fine as Animal class didn't implement Serializable interface so weight got its intialized value of 42.
My question is if I modify Animal class as -

The output is
before: Fido 35
after: Fido 0

Can somebody please explain why in this case I am getting 0 for weight instead of 42?

Thanks,
Sushant
 
Arie Prastowo
Greenhorn
Posts: 22
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
if you do not use serialization on parent class, it's attribute will not be serialized no matter you mark it as transient or not.
When you deserialized, the attribute from not serialized parent class will be initialized.
But on serialized parent class, a transient attribute is not serialized or deserialized, so the value is 0 as in default value
 
Sushant Kaushik
Greenhorn
Posts: 25
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Thanks Arie..now it got clarified
 
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic