Re: I lost the point: purpose of putting objects to null?

From: EricF (efriedNoSpam_at_yahoo.com)
Date: 10/25/04

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    Date: Mon, 25 Oct 2004 02:39:50 GMT

    Actually you do gain something in a server or long running application by
    setting objects to null. These objects can be garbage collected.

    Eric

    In article <62Ped.6249$5i5.2463@newsread2.news.atl.earthlink.net>, "Dan
    Nuttle" <d_nuttle@hotmail.com> wrote:
    >You don't technically gain anything by doing this. However, I'm a believer
    >in declaring variables whenever possible at the top of a class or method.
    >Instead of having variable declarations scattered all over. So I tend to
    >have lots of lines like
    >
    >MyObject _o = null;
    >
    >at the top of a class or method. That way, when I see a variable and I
    >don't know what type it is, I can look at the top of the class or method and
    >quickly find out. You can just declare the variable without setting it to
    >null, but then your class might not compile unless every single method that
    >uses the variable makes sure it's been initialized.
    >
    >Some coding philosophies consider it very bad form to declare and
    >instantiate a variable at the same time, in the body of a method, like this:
    >
    >public void myMethod()
    >{
    >
    >//Some code here
    >String myString = "ABC";
    >
    >}
    >
    >But this is more of a philosophy than a technology issue.
    >
    >
    >"Dado" <dzupan@mail.inet.hr> wrote in message
    >news:ciu803$3aq$1@sunce.iskon.hr...
    >> I lost the point:
    >> What is purpose of putting objects to null:
    >>
    >> If I make a class, JFrame for example, with button which start connection
    >> dialog, which is class with connection and statement Object.
    >> And every time I click the button first I put :
    >> dialog = null
    >> dialog = new dialog()
    >>
    >> What is purpose to put dialog = null when all its objects are stay
    >non-null?
    >>
    >>
    >>
    >>
    >>
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