Re: StringBuffer java.lang.OutOfMemoryError

From:
Hendrik Maryns <hendrik_maryns@despammed.com>
Newsgroups:
comp.lang.java.help
Date:
Wed, 13 Dec 2006 17:56:23 +0100
Message-ID:
<elpbbn$let$1@newsserv.zdv.uni-tuebingen.de>
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Jean Pierre Daviau schreef:

    You don't understand what the insert() method does. The
loop you have written will attempt to insert an infinite number
of "\r\n" pairs before the first comma in the buffer; you are
safe only if the buffer contains no commas at all.

Is there a way to do that?
Whit append()?


Please quote some context when replying to a message.

You have to increment the loop counter with the number of characters you
added, since you insert the linebreak (have a look at
System.getProperty(line.separator)) /before/ the comma, so it finds it
again. But probably you just want replace(int,char).

strbuf.setLength(strbuf.length()+1000);

What is this good for?

for (int j=0;j<strbuf.length() ;j++ )
{
 if(strbuf.charAt(j) == ','){
  strbuf.insert(j++, System.getProperty(line.separator));
 }
}

or

for (int j=0;j<strbuf.length() ;j++ )
{
 if(strbuf.charAt(j) == ','){
  strbuf.replace(j, System.getProperty(line.separator));
 }
}

Untested, you might need to change some minor stuff.

And oh, use brackets for if statements, even if they only contain one
expression.

HTH, H.
- --
Hendrik Maryns
http://tcl.sfs.uni-tuebingen.de/~hendrik/
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