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  • Subject: Re: Final and Static
  • From: cujo@xxxxxxxxxx
  • Date: Wed, 8 Nov 2000 08:58:20 -0600
  • Importance: Normal


The short answer:

A static means there is only one instance of that variable which is shared
by all the objects of a class type.
Class MyClass() {
     public static int myInt = 4;
}

// In code some place...
MyClass instance1 = new MyClass();
MyClass instance2 = new MyClass();
// Both instance1 and instance2 have access to myInt, but they are refering
to the same single value.


Final means that you can extend it in your own hierarchy.
Class MyString extends java.lang.String won't work because java.lang.String
is final.


Regards,

Richard D. Dettinger
AS/400 Java Data Access Team

"TRUE! nervous, very, very dreadfully nervous I had been and am; but why
WILL you say that I am mad?
The disease had sharpened my senses, not destroyed, not dulled them. "

- Edgar Allan Poe
"The Tell-Tale Heart"




"Tom Tufankjian" <Tom_Tufankjian@hbltd.com>@midrange.com on 11/08/2000
07:43:36 AM

Please respond to JAVA400-L@midrange.com

Sent by:  owner-java400-l@midrange.com


To:   JAVA400-L@midrange.com
cc:
Subject:  Final and Static






This is a newbee question:  What is the difference between static and final
when describing a field?

It seems to me from what I've read that they both describe a field as
constant.

Thanks,
Tom T


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