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Object references

Maureen Charlton
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Joined: Oct 04, 2004
Posts: 218
* Object
* Cloneable
* Serializable

My understanding is the above three are object references.

Could someone give me an example of what these are/do/mean?
marc weber

Joined: Aug 31, 2004
Posts: 11343

An "object reference" is basically a "handle" on a particular instance of some class. It is essentially a memory address, indicating where exactly that object is stored.

As for Object, Cloneable, and Serializable...

Object (class):

Cloneable (interface):

Serializable (interface):

"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer
Maureen Charlton
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Joined: Oct 04, 2004
Posts: 218

Excellent reply - especially the links!

Many thanks!!
Layne Lund
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Joined: Dec 06, 2001
Posts: 3061
The links given above come from Sun's Java API documentation. Learning how to navigate these is an essential skill for any Java programmer, imo. I strongly encourage you to use the link given here to find the docs for the version of Java that you are using.


Java API Documentation
The Java Tutorial
I agree. Here's the link:
subject: Object references
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