Is there a method for adding a character to a string?

Hello,
is there a String method to add a Char to a String given the character number on the string?
EXAMPLE:
String text = "hello world"
I'd like to add a comma after the the 'o' (4th character) so I that text reads: "hello, world"
is there something like:
text.addChar(Char, position in string) ?

avanrotciv wrote:
Looce wrote:
Strings are not modifiable. However, if you make a StringBuffer out of it, you can use its insert(index, String) or insert(index, char) method.This is what I was looking for Thanks.
Should Strings just be directly modifiables? what's the reason they are not?The terms that are usually used are mutable (aka modifiable) and immutable (not modifiable).
[_Why are Strings immutable?_|http://forums.sun.com/thread.jspa?threadID=5332008]

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