StringBuilder replace method query

I have just joined the forum.
I am attempting to search a password and replace a character with another character.
e.g. password = "abcdlefg"
partial code is:
int startIndex = 0;
int endIndex = 0;
for (int i = 1; i <= password.length(); i++)
startIndex = password.indexOf("l", 0);
endIndex = startIndex + 1;
password.replace(startIndex, endIndex, "_");
return password;
I'm getting the following:
"Exception: java.lang.StringIndexOutOfBoundsException: String index out of range: -1"
But I don't understand why. Can anyone explain?
Regards,
Ewizard...

http://forum.java.sun.com/thread.jspa?threadID=5273487&tstart=0
Double posting butthole!
Help provided in other thread. DO NOT REPLY HERE!

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Last edited by proxima_centauri (2009-01-15 22:33:45)

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or to be more concise:
public class ReplacementTester {
public static void main(String[] args) {
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Last edited by dsr (2009-01-15 21:44:55)

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