Re: Handling private jtextfields

From:
Eric Sosman <Eric.Sosman@sun.com>
Newsgroups:
comp.lang.java.help
Date:
Wed, 27 Feb 2008 15:15:44 -0500
Message-ID:
<1204143267.77256@news1nwk>
Jl_G_0 wrote:

 Ill give it a try.

 The real problem is trying to set and get values from private
JTextFields from another class. Its not my code entirely, so I dont
know how much I can change on the structure.


     There's that word "private" again ...

     Objects are not private or protected or public or
whatever; the access control mechanisms have nothing
to do with them. One easy way to see this is with a
simple (and rather silly) class:

    class Silly {
        private Integer priv = new Integer(42);
        protected Integer prot = priv;
        public Integer publ = priv;
        Integer dflt = priv;
    }

Each Silly instance "wraps" an Integer instance -- but
is that Integer private, or protected, or public, or
package-private? It's just one Integer object, so it
can't have all these different access levels at the
same time! In fact, the Integer has *no* access level;
accessibility doesn't mean anything for objects.

     So when you refer to "private JTextFields from
another class," I don't know what you're talking about.
And I rather suspect you don't know, either: it seems
likely that you're trying to understand Java by applying
notions from another framework, and that the analogies
are not close enough to be useful.

--
Eric.Sosman@sun.com

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