Copy on "=" operator

Hello everyone. I have a class (say Sample) with private member variables, get and set methods, and public member functions.
Sample obj1;
obj1.setValue(20);
Sample obj2 = obj1;
obj2.setValue(30);
System.out.println(obj1.getValue());This will print 30, right? I don't want to do this. I just want to copy on the "=" operator (clone obj1to obj2). Or just disable the "=" operator. Is this possible to achieve?
Thanks.

georgemc wrote:
plastersmug wrote:
georgemc wrote:
plastersmug wrote:
Actual problem is, I should be able to pass the object to a function. Even if the values in the objects gets changed, the actual object should remain untouched. Putting it in simple words, I need to achieve "pass by value" scenario here.You've already got pass-by-value, Java doesn't do anything else. The "actual object" isn't being passed at all here. What's being passed is a reference to it, and that's passed by value. I think you're actually looking to clone the objectCloning? What is that?What you think you're doing above with the '=' operator. Copying the object, effectivelyCan you cite me some links to learn about that?

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MellowCricket wrote:
> I run a books site with ~3,500 HTML pages on it. At the
bottom of each page, in
> the main div, where the text goes, is a navigation link,
for previous, next,
> and contents. As it's annoying for users to scroll to
the bottom of the screen
> to navigate, I need to copy the nav link on each page
and paste it up at the
> top of the div as well. There has to be a way to do
this, possibly with a Perl
> script, but I have no idea how.
>
> At the risk of becoming a code mooch, can someone tell
me how to do this? I
> figure some sort of RegExp operation might do it. I
never use the Search and
> Replace in DW, relying instead on my trusty text editor,
but I'm guessing that
> would be involved somehow.
>
> Hope all are well.
>
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