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I think in Java this is fine, but it leads to confusion in CF which is
why Macromedia suggests against it
(http://livedocs.macromedia.com/coldfusion/7/htmldocs/wwhelp/wwhimpl/common/html/wwhelp.htm?context=ColdFusion_Documentation&file=00000186.htm).
One question though; if you define a function hash(), does this override
CF's hash function? I guess I'm just being lazy and not wanting to try
this...
Wayne
Bill Rawlinson wrote:
> Creating an object
> hash = createObject("java","java.util.Hashtable");
> should NOT cause any problems unless your saying hash is a function
> name in CF that I have never heard of. However, having hash as a
> function name in the util package won't cause any conflicts as there
> is nothing wrong with referencing hash.hash(); though it may be odd to
> read for some people.
>
> It is actually pretty common to define a new instance of
> java.util.Hashtable as hash:
>
> import java.util.*;
> ...
> ...
> Hashtable hash = new Hashtable(4);
> ...
> ...
>
>
>
> On Tue, 1 Mar 2005 11:23:28 +1000, Barry Beattie <[EMAIL PROTECTED]> wrote:
>
>>ahhh...
>>
>>my bad.
>>
>>thanx
>>barry.b
>>
>>
>>-----Original Message-----
>>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
>>Behalf Of Roland Collins
>>Sent: Tuesday, 1 March 2005 10:57 AM
>>To: [email protected]
>>Subject: RE: [CFCDev] Using Structures to handle navigation (order
>>problems)
>>
>>It's case sensitive and "util" ;). Also, hash is a function name, so
>>I'd
>>play it safe:
>>
>><cfscript>
>>ht = createObject("java", "java.util.Hashtable");
>>ht.put( "f", "fred" );
>>ht.put( "b", "barney");
>>ht.put( "w", "wilma");
>>
>>writeOutput(ht.get("b")); // should be "barney"
>></cfscript>
>>
>>-----Original Message-----
>>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
>>Behalf
>>Of Barry Beattie
>>Sent: Monday, February 28, 2005 7:16 PM
>>To: [email protected]
>>Subject: RE: [CFCDev] Using Structures to handle navigation (order
>>problems)
>>
>>
>>>>You might also try using one of Java's ordered collections.
>>
>>interesting. how? like this?
>>
>><cfscript>
>>hash = createObject("java", "java.utils.hashtable");
>>hash.put( "f", "fred" );
>>hash.put( "b", "barney");
>>hash.put( "w", "wilma");
>>
>>writeOutput(hash.get("b")); // should be "barney"
>></cfscript>
>>
>>... Uh oh...
>>
>>Object Instantiation Exception.
>>Class not found: java.utils.hashtable
>>
>>(disclaimer: java in CF is still new to me)
>>
>>-----Original Message-----
>>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
>>Behalf Of Roland Collins
>>Sent: Tuesday, 1 March 2005 7:27 AM
>>To: [email protected]
>>Subject: RE: [CFCDev] Using Structures to handle navigation (order
>>problems)
>>
>>You might also try using one of Java's ordered collections.
>>
>>-----Original Message-----
>>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
>>Behalf
>>Of Daniel Short
>>Sent: Monday, February 28, 2005 2:56 PM
>>To: [email protected]
>>Subject: RE: [CFCDev] Using Structures to handle navigation (order
>>problems)
>>
>>Yep, I have it all working with a query now. The query remembers the
>>order
>>things were added, which is exactly what I'm after. This way the user
>>can
>>add navigation items as they please, in the order they please, without
>>any
>>problems.
>>
>>Thanks everyone.
>>
>>Dan
>>
>>
>>>You can of course order a query, using ORDER BY in the sql.
>>>If you don't
>>>have a column to sort by already, you can add one to your QueryNew()
>>>function and set the value (perhaps the index of your loop?) with
>>>QuerySetCell()
>>
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>
>
>
- --
Wayne Graham
Earl Gregg Swem Library
PO Box 8794
College of William and Mary
Williamsburg, VA 23187
757.221.3112
http://support.swem.wm.edu/wayne/blog
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