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RE: Replace function (newbie help)



All,

Just to make the immutable String issue clear to those that are new to
Java, this method ( String replace() ) returns a new String object that
has replaced the old character with the new character. So it would be
used like the following:

String myString = "Frank";
String myNewString = myString.replace(.....);

This is considered inefficient code, because the replace function
creates a new String object, thus creating two String Objects in this
process.

Also, you can use the StringBuffer class to replace characters in the
buffer as well. The string buffer can be used to append
strings/characters/etc to it via the append() method, as well as other
fun stuff like insert and delete characters and such. 

i.e.
StringBuffer sb = new StringBuffer( "Frank" );
sb.append( " is a geek" );
sb.replace(...);
String myString = sb.toString();

Hope that helps a little. :)
Please excuse any typos in this, I'm just typing off the top of my
head....

Thanks,
Frank Merenda
Senior Software Engineer
AtWork Technologies, Inc.
fmerenda@atwork.com 

> -----Original Message-----
> From: Bhamani, Nizar [mailto:nizar.bhamani@proactcorp.com]
> Sent: Friday, October 05, 2001 11:17 AM
> To: 'monel.a.amin@mail.sprint.com'; ajug-members@www.ajug.org
> Subject: RE: Replace function
> 
> 
> You cannot modify a "String". You need to use "StringBuffer" 
> to modify it.
> 
> use :
> 
> replace(int start, int end, String str) 
> Replaces the characters in a substring of this StringBuffer 
> with characters
> in the specified String.
> 
> -----Original Message-----
> From: monel.a.amin@mail.sprint.com 
> [mailto:monel.a.amin@mail.sprint.com]
> Sent: Friday, October 05, 2001 10:58 AM
> To: ajug-members@www.ajug.org
> Subject: Replace function
> 
> 
> Hi All,
> 
> Is there an VB's Replace function's equivalent in Java?  I need to
> replace a character in a String.
> 
> 
> Any suggestions.....
> 
> Thanks,
> Monel.
> 
>