Sameer, Paul
Thanks a lot.
-sourabh
----- Original Message -----
From: Paul Balanoiu <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 12, 2002 6:09 PM
Subject: Re: OffTopic - strange overloaded method behaviour
> Java code is compiled. This means that any decisions regarding overloaded
methods are taken at compile time.
> In your code you call private boolean validate(Tag tag, Object value),
since the "value" variable is is defined as having Object type. So the
> code is binded to that function, regardles of the runtime type.
> Paul
>
> 12.03.2002 13:02:16, Sourabh Kulkarni <[EMAIL PROTECTED]> wrote:
>
> >
> >
> > Date: Tue, 12 Mar 2002 16:32:16 +0530
> >
> > From: Sourabh Kulkarni <[EMAIL PROTECTED]>
> > Subject:OffTopic - strange overloaded method behaviour
> > To: [EMAIL PROTECTED]
> >
> >
> >
> > Hi,
> > This is a bit OffTopic. I have written following overloaded
methods.
> > private boolean validate(Tag tag, Object value)
> >
> > private boolean validate(Tag tag, Number value)
> > private boolean validate(Tag tag, String value)
> > private boolean validate(Tag tag, Boolean value)
> >
> > The invoking code is in the same class. The relevant part is given
below
> >
> > Set set = valuesMap.entrySet();
> >
> > Iterator itr = set.iterator();
> > String tagname, msg;
> > Object value, tag;
> > Map.Entry entry;
> >
> > Tag t;
> > boolean valid;
> > while (itr.hasNext()) {
> > entry = (Map.Entry) itr.next();
> >
> > tagname = (String) entry.getKey();
> > value = entry.getValue();
> > tag = tagMap.get(tagname);
> > file://if not null and valid, then remove it from the valuesMap and
send
> >
> > for writing
> > if ((tag != null) && (value != null) && validate((Tag) tag, value))
{
> > file://do something
> > }
> >
> >
> > I am having an entry in the map as "name"=Float . At execution time, I
> > expected the method validate(Tag, Number) to be invoked rather than
> > validate(Tag, Object). But I observed that validate(Tag, Object) was
> > invoked. I am confused by this behaviour. Am I missing something ?
> >
> >
> > TIA,
> > -sourabh
> > ----
> > Sourabh Kulkarni
> >
> > Embedded Systems Group.
> > rapidEffect (P) Ltd.25,Napier Road, Pune 411 001
> > Tel./Fax. +91-20-6363250
> >
> > www.rapideffect.com
>
> ----------------------------------------
> Paul Balanoiu
> Bucharest, Romania
>
>
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