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How to create object as Serializable?

Kathiresan Chinnasamy
Ranch Hand

Joined: Jan 01, 2008
Posts: 65
Hi Friends,

How to make a object as Serializable..
For Example i got an object(Where the class didn't serializable) in main Class ... i have to serializable this object..

Can anyone help me ?
Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 13884
    
  10

Just make the class implement the interface Serializable:

Note that the interface doesn't have any methods, so you don't need to implement any methods.

Note: If you cannot modify the class, then it's not going to be possible. You can't make any object serializable.
[ June 23, 2008: Message edited by: Jesper Young ]

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Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 36579
    
  16
More a beginner's question.

In theory it is easy; you just add "implements Serializable" after the class name. Serializable is a tagging interface (also called a marker interface) which has no methods.

In practice you need to ensure that all its fields are instances of Serializable classes too.
 
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