how to manipulate strings!!

hican anyone tell me some codings to inverse the characters in a string?tats isif i give as input indiai want it replaces as aidnitank u !!!!!
[191 byte] By [roseddeeepssa] at [2007-10-2 10:56:08]
# 1
StringBuffer has a reverse method
YoGeea at 2007-7-13 3:20:52 > top of Java-index,Java Essentials,New To Java...
# 2
> StringBuffer has a reverse methodStringBuilder too! -:)
YoGeea at 2007-7-13 3:20:52 > top of Java-index,Java Essentials,New To Java...