Hi Suraj,
You can use the java.util.zip package to compress/decompress ZIP and GZIP
packages
You can add your file to a ZIP package using the  ZipOutputStream class
Please see
http://java.sun.com/developer/technicalArticles/Programming/compression/

If you want to use a particular compression algorithm (like RAR, TAR) you
should look for its Java implementation or implement it yourself!
--
Satish Vellanki

Fred Allen  - "The first time I sang in the church choir; two hundred people
changed their religion."

On Sat, Mar 21, 2009 at 10:02 AM, suraj gururaj <[email protected]>wrote:

> I am tryin to code in java of how to compress a given file of any
> format..so can u plz suggest me necessary steps n utilities available for me
> to code..?


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